function sAlert(){
	var eSrc=(document.all)?window.event.srcElement:arguments[1];
	var shield = document.createElement("DIV");
	shield.id = "shield";
	shield.style.position = "absolute";
	shield.style.left = "0px";
	shield.style.top = "0px";
	shield.style.width = "100%";
	shield.style.height = ((document.documentElement.clientHeight>document.documentElement.scrollHeight)?document.documentElement.clientHeight:document.documentElement.scrollHeight)+"px";
	shield.style.background = "#333";
	shield.style.textAlign = "center";
	shield.style.zIndex = "10000";
	shield.style.filter = "alpha(opacity=0)";
	shield.style.opacity = 0;
	var alertFram = document.createElement("DIV");
	alertFram.id="alertFram";
	alertFram.style.position = "absolute";
	alertFram.style.left = "50%";
	alertFram.style.top = "50%";
	alertFram.style.marginLeft = "-225px" ;
	alertFram.style.marginTop = -75+document.documentElement.scrollTop+"px";
	alertFram.style.width = "450px";
	alertFram.style.height = "150px";
	alertFram.style.background = "#ccc";
	alertFram.style.textAlign = "center";
	alertFram.style.lineHeight = "150px";
	alertFram.style.zIndex = "10001";

    strHtml="<form action=\"Search/SearchSupply.aspx\" method=\"post\">";
	strHtml += "<ul style=\"list-style:none;margin:0px;padding:0px;width:100%\">\n";
	strHtml += "	<li style=\"background:#DD828D;text-align:left;padding-left:20px;font-size:14px;font-weight:bold;height:25px;line-height:25px;border:1px solid #F9CADE;\">[高级查找]</li>\n";
	strHtml += "	<li style=\"background:#fff;text-align:center;font-size:12px;height:120px;line-height:120px;border-left:1px solid #F9CADE;border-right:1px solid #F9CADE;\">请输入产品名称：<input type=\"text\" name=\"txtproduct\" size=\"20\" style=\"border:1px solid #ccc;\"><br/>请选择产品地区：<span style=\"border:1px solid #ccc;width:129;height:20;vertical-align:text-top;vertical-align:middle;\"><select name=\"selectarea\" style=\"clip:rect(2 80 20 2);margin:-2; margin-top:4px;margin-bottom:4px; width:128;background:#eeeeee;vertical-align:middle;\"><option value=\"\">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;全 部&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</option><option value=\"蒲江\">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;蒲 江&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</option><option value=\"郫县\">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;郫 县&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</option><option value=\"新津县\">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;新津县&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</option><option value=\"新都区\">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;新都区&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</option><option value=\"双流县\">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;双流县&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</option><option value=\"大邑县\">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;大邑县&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</option><option value=\"金堂县\">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;金堂县&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</option><option value=\"温江区\">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;温江区&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</option><option value=\"青白江区\">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;青白江区&nbsp;&nbsp;&nbsp;</option><option value=\"龙泉驿区\">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;龙泉驿区 &nbsp;&nbsp;&nbsp;</option><option value=\"成华区\">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;成华区&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</option><option value=\"武侯区\">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;武侯区&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</option><option value=\"金牛区\">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;金牛区&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</option><option value=\"青羊区\">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;青羊区&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</option><option value=\"锦江区\">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;锦江区&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</option></select></span> <br/>请输入公司名称：<input type=\"text\" name=\"txtcompany\" style=\"border:1px solid #ccc;\"><input type=\"hidden\" name=\"gaojiSearch\"></li>\n";
	strHtml += "	<li style=\"background:#FDEEF4;text-align:center;font-weight:bold;height:25px;line-height:25px; border:1px solid #F9CADE;\"><input type=\"submit\" value=\"确 定\" />&nbsp;<input type=\"button\" value=\"取 消\" id=\"do_OK\" onclick=\"doOk()\" /></li>\n";
	strHtml += "</ul>\n";
	strHtml += "</form>";
	alertFram.innerHTML = strHtml;
	document.body.appendChild(alertFram);
	document.body.appendChild(shield);
	this.setOpacity = function(obj,opacity){
		if(opacity>=1)opacity=opacity/100;
		try{ obj.style.opacity=opacity; }catch(e){}
		try{ 
			if(obj.filters.length>0&&obj.filters("alpha")){
				obj.filters("alpha").opacity=opacity*100;
			}else{
				obj.style.filter="alpha(opacity=\""+(opacity*100)+"\")";
			}
		}catch(e){}
	}
	var c = 0;
	this.doAlpha = function(){
		if (++c > 20){clearInterval(ad);return 0;}
		setOpacity(shield,c);
	}
	var ad = setInterval("doAlpha()",1);
	this.doOk = function(){
		//alertFram.style.display = "none";
		//shield.style.display = "none";
		document.body.removeChild(alertFram);
		document.body.removeChild(shield);
		eSrc.focus();
		document.body.onselectstart = function(){return true;}
		document.body.oncontextmenu = function(){return true;}
	}
	
}