//构造函数
function Common() {
	var newid;
}

//全选功能
Common.prototype.checkAll = function (tableName, itemName) {
	var i = 0;
	while (true) {
		var e = document.getElementById(tableName + ":" + i + ":" + itemName);
		if (e == null) {
			break;
		}
		if (e.disabled != true) {
			e.checked = document.getElementById("chkall").checked;
		}
		i += 1;
	}
};

//检测是否选择要处理的数据
Common.prototype.checkSelect = function (checkName) {
    var checkboxes=document.getElementsByName(checkName);
    var  common_selfjs_tip1 = document.getElementById("common_selfjs_tip1").value;
	var result=0;
    if(checkboxes.length){
      for(i = 0; i <checkboxes.length; i++) {
	    var checkbox=checkboxes[i];
	    if(checkbox.checked == true){
	      result=1;
		  break;
		}
	  }
	  if(result==0){
	    alert(common_selfjs_tip1);
	    return false;
	  }
    }
    else if(checkboxes.checked!=true){
      alert(common_selfjs_tip1);
	  return false;
    }
	return true;
};

//提示用户是否确定要执行
Common.prototype.checkExecute = function () {
    var str="";
    var common_selfjs_tip2 = document.getElementById("common_selfjs_tip2").value;
    if(event.srcElement.title==null){
      str=common_selfjs_tip2;
    }
    else{
      str=event.srcElement.title;   
    }
    return confirm(common_selfjs_tip3+str+"?");
};

//获取选择的数据
Common.prototype.getChecked = function (checkName, hiddenId) {
    if(!common.checkSelect(checkName)){
      return false;
    }
	var checkbox = document.getElementsByName(checkName);
	if (checkbox != null && checkbox.length != 0) {
		for (i = 0; i < checkbox.length; i++) {
			if (checkbox[i].checked) {
				document.getElementById(hiddenId).value += checkbox[i].value + ",";
			}
		}
	}
	return common.checkExecute();
};

//弹出新窗口
Common.prototype.openWindow = function (name, url, winLeft, winTop, winWidth, winHeight, allowScroll) {
	var query;
	par = "toobar=no,location=no,directories=no,status=0,";
	par += "scrollbars=" + allowScroll + ",menubar=0,resizable=yes,copyhistory=no,";
	par += "width=" + winWidth + ",height=" + winHeight + ",left=" + winLeft + ",top=" + winTop;
	if (this.newid) {
		if (!this.newid.closed) {
			this.newid.close();
		}
		this.newid = window.open(url, name, par);
	} else {
		this.newid = window.open(url, name, par);
	}
};

//弹出新窗口在中间位置
Common.prototype.openWinCenter = function (name, url, winSize, allowScroll) {
    var winWidth="700";
    var winHeight="500";
 	if(winSize=="L"){
	  winWidth="900";
	  winHeight="500";
	}
    else if(winSize=="S"){
	  winWidth="500";
	  winHeight="300";
    }
	winLeft = (screen.width - winWidth) / 2;
	winTop = (screen.height - winHeight) / 2 - 10;
	if (winLeft < 0) {
		winLeft = 5;
	}
	if (winTop < 0) {
		winTop = 5;
	}
	common.openWindow(name, url, winLeft, winTop, winWidth,winHeight, "auto");
};

Common.prototype.showAdvancedQuery = function (aq) {
	var common_selfjs_tip4 = document.getElementById("common_selfjs_tip4").value;
	var common_selfjs_tip5 = document.getElementById("common_selfjs_tip5").value;
	if (event.srcElement.value == common_selfjs_tip4) {
		document.getElementById(aq).style.display = "block";
		event.srcElement.value =  common_selfjs_tip5;
	} else {
		document.getElementById(aq).style.display = "none";
		event.srcElement.value =  common_selfjs_tip4;
	}
};

Common.prototype.disableTag = function (tagName) {
	var elements = document.getElementsByTagName(tagName);
	if (elements != null && elements.length != null) {
		for (i = 0; i < elements.length; i++) {
		  if(elements[i].type=="button"||elements[i].type=="submit"||elements[i].type=="reset"){
		    elements[i].disabled = "true";
		  }
		}
	}
	if (elements != null && elements.length == null) {
		elements.disabled = "true";
	}
};
//重置
Common.prototype.reset= function (url) {
  url+="?";
  var act=document.getElementById("act");
  var uuids=document.getElementsByName("uuid");
  if(act!=null){
    url+="&act="+act.value;
  }
  if(uuids!=null&&uuids[0]!=null&&uuids[0].value!=null){
    url+="&uuid="+uuids[0].value;
  }
  self.location=url;
};
//页面onload需要执行的动作
Common.prototype.load= function () {
	//执行focus的动作
	var errorMsgs=document.getElementsByName("ErrorMessagePanel");
   if(errorMsgs.length>0){
     for(var i=0;i<errorMsgs.length;i++){
       var errorNode=errorMsgs[i].parentNode.firstChild;
       if(errorNode.type==null){
         errorNode=errorNode.nextSibling;
       }
       if((errorNode.type=='text'||errorNode.type=='password'||errorNode.type=='textarea')
         &&errorNode.readOnly!=true&&errorNode.style.disabled!=true){
         errorNode.focus();
         return;
       }
     }
   }
   var allNodes = document.all;
	if (allNodes) {
		if (allNodes.length > 0) {
			for (var i = 0; i < allNodes.length; i++) {
				var node = allNodes[i];
				if ((node.type == 'text' || node.type == 'password' || node.type == 'textarea')
						&& node.readOnly != true && node.disabled != true) {
					node.focus();
					return;
				}
			}
		}
	}
};

//页面onload需要执行的动作
Common.prototype.checkEnter= function (form) {
	//执行focus的动作
   if(event.keyCode==13){
     if(event.srcElement.type=='textarea') return;
     var obj;
     try{
       obj=form.document.all.tags("input");
     }catch(ex){}
     if(!obj) return;
     var objs = [];
     if(!obj.length) objs[0] = obj;
     else objs = obj;   
     for(var i=0; i<objs.length; i++) {
       var temp = objs[i];
       if(temp.type=='submit') {
         temp.focus();
         return;
       }
     }
   }
};

//初始化一个common对象
var common = new Common();

function MM_swapImgRestore(id) { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}
function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}
function MM_findObj(n, d) { //v4.0
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && document.getElementById) x=document.getElementById(n); return x;
}
function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

function MM_swapLogout() { //v3.0
  var i,j=0,x,a=new Array('Image13','','../../../common/manager/img/logout_2.gif',1); document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

//清空错误信息
function clearErrorMsg(errorObj) {
	 var lastNode = errorObj.parentNode.childNodes[errorObj.parentNode.childNodes.length - 1];
	 if (lastNode.id == "ErrorMessagePanel") {
			errorObj.parentNode.removeChild(lastNode);
	 }
	 var childNode = errorObj.childNodes[errorObj.childNodes.length - 1];
	 if (childNode&&childNode.id == "ErrorMessagePanel") {
			errorObj.removeChild(childNode);
	 }
}
//在errorObj后输出错误信息
function appendErrorMsg(errorObj,errorMsg) {
	 var label = document.createElement("label");
	 label.id = "ErrorMessagePanel";
	 label.className = "errorMessage";
	 errorObj.parentNode.appendChild(label);
	 label.innerHTML = errorMsg;
}
//将错误信息插入insertObj中
function insertErrorMsg(insertObj,errorMsg) {
	 var label = document.createElement("label");
	 label.id = "ErrorMessagePanel";
	 label.className = "errorMessage";
	 insertObj.appendChild(label);
	 label.innerHTML = errorMsg;
}
//判断是否在范围内
function isInRange(value,min,max) {
    if(/\D/.exec(value)||value<min||value>max){
       return false;
    }
	return true;
}
/************************************************************************************************************
*	DHTML modal dialog box
*
*	Created:						August, 26th, 2006
*	@class Purpose of class:		Display a modal dialog box on the screen.
*			
*	Css files used by this script:	modal-message.css
*
*	Demos of this class:			demo-modal-message-1.html
*
* 	Update log:
*
************************************************************************************************************/


/**
* @constructor
*/
DHTML_modalMessage = function()
{
	var url;								// url of modal message
	var htmlOfModalMessage;					// html of modal message
	
	var divs_transparentDiv;				// Transparent div covering page content
	var divs_content;						// Modal message div.
	var layoutCss;							// Name of css file;
	var width;								// Width of message box
	var height;								// Height of message box
	
	var existingBodyOverFlowStyle;			// Existing body overflow css
	var dynContentObj;						// Reference to dynamic content object
	var cssClassOfMessageBox;				// Alternative css class of message box - in case you want a different appearance on one of them
	var shadowDivVisible;					// Shadow div visible ? 
	var shadowOffset; 						// X and Y offset of shadow(pixels from content box)
	
	this.url = '';							// Default url is blank
	this.htmlOfModalMessage = '';			// Default message is blank
	this.layoutCss = 'modal-message.css';	// Default CSS file
	this.height = 200;						// Default height of modal message
	this.width = 400;						// Default width of modal message
	this.cssClassOfMessageBox = false;		// Default alternative css class for the message box
	this.shadowDivVisible = true;			// Shadow div is visible by default
	this.shadowOffset = 5;					// Default shadow offset.
	
	

}

DHTML_modalMessage.prototype = {
	// {{{ setSource(urlOfSource)
    /**
     *	Set source of the modal dialog box
     * 	
     *
     * @public	
     */		
	setSource : function(urlOfSource)
	{
		this.url = urlOfSource;
		
	}	
	// }}}	
	,
	// {{{ setHtmlContent(newHtmlContent)
    /**
     *	Setting static HTML content for the modal dialog box.
     * 	
     *	@param String newHtmlContent = Static HTML content of box
     *
     * @public	
     */		
	setHtmlContent : function(newHtmlContent)
	{
		this.htmlOfModalMessage = newHtmlContent;
		
	}
	// }}}		
	,
	// {{{ setSize(width,height)
    /**
     *	Set the size of the modal dialog box
     * 	
     *	@param int width = width of box
     *	@param int height = height of box
     *
     * @public	
     */		
	setSize : function(width,height)
	{
		if(width)this.width = width;
		if(height)this.height = height;		
	}
	// }}}		
	,		
	// {{{ setCssClassMessageBox(newCssClass)
    /**
     *	Assign the message box to a new css class.(in case you wants a different appearance on one of them)
     * 	
     *	@param String newCssClass = Name of new css class (Pass false if you want to change back to default)
     *
     * @public	
     */		
	setCssClassMessageBox : function(newCssClass)
	{
		this.cssClassOfMessageBox = newCssClass;
		if(this.divs_content){
			if(this.cssClassOfMessageBox)
				this.divs_content.className=this.cssClassOfMessageBox;
			else
				this.divs_content.className='modalDialog_contentDiv';	
		}
					
	}
	// }}}		
	,	
	// {{{ setShadowOffset(newShadowOffset)
    /**
     *	Specify the size of shadow
     * 	
     *	@param Int newShadowOffset = Offset of shadow div(in pixels from message box - x and y)
     *
     * @public	
     */		
	setShadowOffset : function(newShadowOffset)
	{
		this.shadowOffset = newShadowOffset
					
	}
	// }}}		
	,	
	// {{{ display()
    /**
     *	Display the modal dialog box
     * 	
     *
     * @public	
     */		
	display : function()
	{
	    // ================ hide all select, Hubing added, begin ===============
	    //var selects = document.getElementsByTagName("select");

	    //if(selects) {
		//  for(var i=0; i<selects.length; i++) {
		//    var sel = selects[i];
		//    sel.style.display = "none";
		//  }		
	    //}
	    // ================ hide all select, Hubing added, end =================
		
		if(!this.divs_transparentDiv){
			this.__createDivs();
		}	
		
		// Redisplaying divs
		this.divs_transparentDiv.style.display='block';
		this.divs_content.style.display='block';
		this.divs_shadow.style.display='block';		
			
		this.__resizeDivs();
		
		/* Call the __resizeDivs method twice in case the css file has changed. The first execution of this method may not catch these changes */
		//window.refToThisModalBoxObj = this;		
		//setTimeout('window.refToThisModalBoxObj.__resizeDivs()',150);
		
		this.__insertContent();	// Calling method which inserts content into the message div.
	}
	// }}}		
	,
	// {{{ ()
    /**
     *	Display the modal dialog box
     * 	
     *
     * @public	
     */		
	setShadowDivVisible : function(visible)
	{
		this.shadowDivVisible = visible;
	}
	// }}}	
	,
	// {{{ close()
    /**
     *	Close the modal dialog box
     * 	
     *
     * @public	
     */		
	close : function()
	{
		document.documentElement.style.overflow = '';	// Setting the CSS overflow attribute of the <html> tag back to default.
		/* Hiding divs */
		this.divs_transparentDiv.style.display='none';
		this.divs_content.style.display='none';
		this.divs_shadow.style.display='none';
		
	}
	// }}}	
	,
	// {{{ __createDivs()
    /**
     *	Create the divs for the modal dialog box
     * 	
     *
     * @private	
     */		
	__createDivs : function()
	{
		// Creating transparent div
		this.divs_transparentDiv = document.createElement('DIV');
		this.divs_transparentDiv.className='modalDialog_transparentDivs';
		this.divs_transparentDiv.style.left = '0px';
		this.divs_transparentDiv.style.top = '0px';
		document.body.appendChild(this.divs_transparentDiv);
		// Creating content div
		this.divs_content = document.createElement('DIV');
		this.divs_content.className = 'modalDialog_contentDiv';
		this.divs_content.id = 'DHTMLSuite_modalBox_contentDiv';
		document.body.appendChild(this.divs_content);
		// Creating shadow div
		this.divs_shadow = document.createElement('DIV');
		this.divs_shadow.className = 'modalDialog_contentDiv_shadow';
		document.body.appendChild(this.divs_shadow);

	}
	// }}}	
	,
	// {{{ __resizeDivs()
    /**
     *	Resize the message divs
     * 	
     *
     * @private	
     */	
    __resizeDivs : function()
    {
    	
    	var topOffset = Math.max(document.body.scrollTop,document.documentElement.scrollTop);
    	var leftOffset = Math.max(document.body.scrollLeft,document.documentElement.scrollLeft);

		if(this.cssClassOfMessageBox)
			this.divs_content.className=this.cssClassOfMessageBox;
		else
			this.divs_content.className='modalDialog_contentDiv';	
			    	
    	if(!this.divs_transparentDiv)return;
    	document.documentElement.style.overflow = 'hidden';
    	
    	var bodyWidth = document.documentElement.clientWidth;
    	var bodyHeight = document.documentElement.clientHeight;
    	
		var bodyWidth, bodyHeight; 
		if (self.innerHeight){ // all except Explorer 
		 
		   bodyWidth = self.innerWidth; 
		   bodyHeight = self.innerHeight; 
		}  else if (document.documentElement && document.documentElement.clientHeight) {
		   // Explorer 6 Strict Mode 		 
		   bodyWidth = document.documentElement.clientWidth; 
		   bodyHeight = document.documentElement.clientHeight; 
		} else if (document.body) {// other Explorers 
		 
		   bodyWidth = document.body.clientWidth; 
		   bodyHeight = document.body.clientHeight; 
		} 

    	
    	// Setting width and height of content div
      	this.divs_content.style.width = this.width + 'px';
    	this.divs_content.style.height= this.height + 'px';  	
    	
    	// Creating temporary width variables since the actual width of the content div could be larger than this.width and this.height(i.e. padding and border)
    	var tmpWidth = this.divs_content.offsetWidth;	
    	var tmpHeight = this.divs_content.offsetHeight;
    	
    	
    	// Setting width and height of left transparent div
    	//this.divs_transparentDiv.style.width = Math.ceil((bodyWidth - tmpWidth) / 2) + 'px';
    	//this.divs_transparentDiv.style.height = bodyHeight + 'px';
    	
    	// Setting size extremely large for bottom, left and right side transparent divs.
    	this.divs_transparentDiv.style.top = topOffset;
    	this.divs_transparentDiv.style.left = leftOffset;
    	this.divs_transparentDiv.style.height = '100%';
    	this.divs_transparentDiv.style.width = '100%';   
    	document.body.scroll='no';
    	
    	
    	this.divs_content.style.left = (Math.ceil((bodyWidth - tmpWidth) / 2) + leftOffset) + 'px';
    	this.divs_content.style.top = (Math.ceil((bodyHeight - tmpHeight) / 2) +  topOffset) + 'px';
    	
    	this.divs_shadow.style.left = (this.divs_content.style.left.replace('px','')/1 + this.shadowOffset) + 'px';
    	this.divs_shadow.style.top = (this.divs_content.style.top.replace('px','')/1 + this.shadowOffset) + 'px';
    	this.divs_shadow.style.height = tmpHeight + 'px';
    	this.divs_shadow.style.width = tmpWidth + 'px';
    	
    	
    	
    	if(!this.shadowDivVisible)this.divs_shadow.style.display='none';	// Hiding shadow if it has been disabled
    	
    	
    }	
	// }}}	
	,
	// {{{ __insertContent()
    /**
     *	Insert content into the content div
     * 	
     *
     * @private	
     */	
    __insertContent : function()
    {
		if(this.url){	// url specified - load content dynamically
			ajax_loadContent('DHTMLSuite_modalBox_contentDiv',this.url);
		}else{	// no url set, put static content inside the message box
			this.divs_content.innerHTML = this.htmlOfModalMessage;	
		}
    }		
}


function modelDialog_displayStaticMessage(messageContent,cssClass) {
  var messageObj = new DHTML_modalMessage();	// We only create one object of this class
  messageObj.setShadowOffset(5);	// Large shadow

  messageObj.setHtmlContent(messageContent);
  messageObj.setSize(300,50);
  messageObj.setCssClassMessageBox(cssClass);
  messageObj.setSource(false);	// no html source since we want to use a static message here.
  messageObj.setShadowDivVisible(false);	// Disable shadow for these boxes	
  messageObj.display();
}

/*
 * Display waiting Info
 */
function waitForSubmit() {
  waitFlag = true;  
  var messageObj = new DHTML_modalMessage();
	var waitInfo = "<table style='FILTER: Alpha(opacity=90);height:80;width:280' cellSpacing=1 cellPadding=1 bgColor=#4065A5 summary='Loader Layout' border=0 >" 
	+ "<tr>" + "  <td align=center valign=middle  bgColor=#ffffff>";
	var common_managerjs_tip2 = document.getElementById("common_managerjs_tip2").value;
	waitInfo += "<div ><img src='../../../common/manager/img/loading.gif'/>   <SPAN  style='FONT-SIZE: 10pt'><STRONG>"+common_managerjs_tip2+"</STRONG></SPAN></div></table>";
	
	messageObj.setShadowOffset(0);	// Large shadow
	messageObj.setHtmlContent(waitInfo);
	messageObj.setSize(300, 40);
	messageObj.setSource(false);	// no html source since we want to use a static message here.
	messageObj.setShadowDivVisible(false);	// Disable shadow for these boxes
	messageObj.display(false);
}

var waitFlag = false;   //操作正在进行中为true 

function keyDownDeal()     
{
	if((window.event.keyCode==13 || window.event.keyCode==32)&& waitFlag)    // 操作进行中，屏蔽回车键,解决BUG 33033 
	{
	     window.event.keyCode = 0;   
	     window.event.returnValue = false;   
	}   
}

document.body.onkeydown = keyDownDeal;   

function modelDialog_closeMessage() {
	messageObj.close();	
}

/*去掉textStr两头的空格*/
function trim(str) {
	var ret = str;
	ret = ret.replace(/^\s+/, "");
	ret = ret.replace(/\s+$/, "");
	return ret;
}

function isChinese(str)
{
    var lst = /[u00-uFF]/;
    return !lst.test(str);
}
function strlen(str) 
{
    var strlength=0;
    for (i=0;i<str.length;i++)
    {
      if (isChinese(str.charAt(i))==true)
         strlength=strlength + 2;
      else
         strlength=strlength + 1;
    }
   return strlength;
}
String.prototype.trim = function()   {return   this.replace(/(^\s*)|(\s*$)/g,"");}   //去掉前后空格
String.prototype.Trim = function()   {return   this.replace(/(^\s*)|(\s*$)/g,"");}   //去掉前后空格
String.prototype.Ltrim = function(){return   this.replace(/(^\s*)/g,   "");}   //去掉左空格
String.prototype.Rtrim = function(){return   this.replace(/(\s*$)/g,   "");}   //去掉右空格
//获取字符串字节数
String.prototype.bytes = function (){
	var bytesCount = 0;
	for (var i = 0; i < this.length; i++){
		var c = this.charAt(i);
		if (/^[\u0000-\u00ff]$/.test(c)){ //匹配双字节
			bytesCount += 1;
		}
		else
		{
			bytesCount += 2;
		}
	}
	return bytesCount;
}
String.prototype.formatByLength = function(length){
	if(this.length>length && length > 3){
		return this.substring(0,length-2)+"...";
	}else{
		return this;
	}
}
String.prototype.checkIpIsOk = function(){
	MaskStr = this;
	/* 有效性校验 */
	var IPPattern = /^\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}$/;
	if(!IPPattern.test(MaskStr)){
		return false;
	}

	/* 检查域值 */
	var IPArray = MaskStr.split(".");
	var ip1 = parseInt(IPArray[0]);
	var ip2 = parseInt(IPArray[1]);
	var ip3 = parseInt(IPArray[2]);
	var ip4 = parseInt(IPArray[3]);
	if ( ip1<0 || ip1>255 /* 每个域值范围0-255 */
	   || ip2<0 || ip2>255
	   || ip3<0 || ip3>255
	   || ip4<0 || ip4>255 ){
	   return false;
	}
	return true;
}
//Array的删除方法--真正的删除  	!!使用方法  array = array.del(n);
Array.prototype.del=function(n) {  //n表示第几项，从0开始算起。
	//prototype为对象原型，注意这里为对象增加自定义方法的方法。
  if(n<0){  //如果n<0，则不进行任何操作。
    return this;
  }
  else{
  	this[n] = null;
    return this.slice(0,n).concat(this.slice(n+1,this.length));
  }
    /*
      concat方法：返回一个新数组，这个新数组是由两个或更多数组组合而成的。
      　　　　　　这里就是返回this.slice(0,n)/this.slice(n+1,this.length)
     　　　　　　组成的新数组，这中间，刚好少了第n项。
      slice方法： 返回一个数组的一段，两个参数，分别指定开始和结束的位置。
    */
}
Array.prototype.add = function(obj){
	this[this.length] = obj;
}
Array.prototype.contains = function(str){
	if(this.length == 0){return false}
	for(var i=0;i<this.length;i++){
		if(this[i] == str){
			return true;
		}
	}
	return false;
}

function createXMLHttpRequest(){
  http_request_return = false;
	  //开始初始化XMLHttpRequest对象
	if(window.XMLHttpRequest) { //Mozilla 浏览器
	    
	 	http_request_return = new XMLHttpRequest();
		if (http_request_return.overrideMimeType) {//设置MiME类别
			http_request_return.overrideMimeType('text/xml');
		}
	}else if (window.ActiveXObject) { // IE浏览器
		try {
			http_request_return = new ActiveXObject("Msxml2.XMLHTTP");
		} catch (e) {
			try {
				http_request_return = new ActiveXObject("Microsoft.XMLHTTP");
			} catch (e) {}
		}
	}
	return http_request_return;
}

function getNumFromPx(px){
	if(px.indexOf("px")>-1){
		px = px.replace("px","");
		px *= 1;
	}
	return px;
};


//js检索浏览器

function getExplorer() {
  var explorer = window.navigator.userAgent ;
var getexplorer;
//ie 
if (explorer.indexOf("MSIE") >= 0) {
getexplorer="ie";
}
  //firefox 
else if (explorer.indexOf("Firefox") >= 0) {
getexplorer="Firefox";
}
//Chrome
else if(explorer.indexOf("Chrome") >= 0){
getexplorer="Chrome";
}
//Opera
else if(explorer.indexOf("Opera") >= 0){
getexplorer="Opera";
}
//Safari
else if(explorer.indexOf("Safari") >= 0){
getexplorer="Safari";
}
return getexplorer;
}