function checkSubmit()
{
	if(document.form1.pn.value=="")
	{
		alert("请输入型号！");
		document.form1.pn.focus();
		return false;
	}
	if(document.form1.qty.value=="")
	{
		alert("请输入数量！");
		document.form1.qty.focus();
		return false;
	}
	if(document.form1.name.value=="")
	{
		alert("请输入您的姓名！");
		document.form1.name.focus();
		return false;
	}
	if(document.form1.company.value=="")
	{
		alert("请输入您的公司名称！");
		document.form1.company.focus();
		return false;
	}
	if(document.form1.tel.value=="")
	{
		alert("请输入您的电话！");
		document.form1.tel.focus();
		return false;
	}
	if(document.form1.email.value=="")
	{
		alert("请输入您的邮箱！");
		document.form1.email.focus();
		return false;
	}
	if (document.form1.email.value.length == 0)
	{
		alert("邮箱不能为空");
		return false;
	}
	var rule=/^([\w-]+(?:\.[\w-]+)*)@((?:[\w-]+\.)*\w[\w-]{0,66})\.([a-z]{2,6}(?:\.[a-z]{2})?)$/i;
	if (!rule.test(document.form1.email.value)){
		alert("请输入有效邮箱!");
		return false;
	}
}

//搜索
// JavaScript Document
function drop_mouseover(pos){
 try{window.clearTimeout(timer);}catch(e){}
}
function drop_mouseout(pos){
 var posSel=document.getElementById(pos+"Sel").style.display;
 if(posSel=="block"){
  timer = setTimeout("drop_hide('"+pos+"')", 700);
 }
}
function drop_hide(pos){
 document.getElementById(pos+"Sel").style.display="none";
}
function searchlist(pos,searchtype,href){
	document.getElementById(pos+"SearchForm").value=searchtype;
    document.getElementById(pos+"searchtype").value=searchtype;
    document.getElementById(pos+"Sel").style.display="none";
    document.getElementById(pos+"Slected").innerHTML=href.innerHTML;
    document.getElementById(pos+'keyword').focus();
    var sE = document.getElementById("searchExtend");
    if(sE != undefined  &&  searchtype == "bar"){
     sE.style.display="block";
    }else if(sE != undefined){
     sE.style.display="none";
    }
 try{window.clearTimeout(timer);}catch(e){}
 return false;
}


function openlist()
{
	if(document.getElementById('headSel').style.display=='none')
	{
		document.getElementById('headSel').style.display='block';
	}
	else
	{
		document.getElementById('headSel').style.display='none';
	};
	return false;
}

function openlist2()
{
	if(document.getElementById('maxSel').style.display=='none')
	{
		document.getElementById('maxSel').style.display='block';
	}
	else
	{
		document.getElementById('maxSel').style.display='none';
	};
	return false;
}

function CheckSearch(pos)
{
	var keyword = document.getElementById(pos+"keyword"); 
	if(keyword.value=="")
	{
		alert("请输入型号！");
		document.headSearchForm.keyword.focus();
		return false;
	}
	if(keyword.value.length<2)
	{ 
		alert("请输入至少2位的关键词！");
		document.headSearchForm.keyword.focus();
		return false;
	} 
} 
/*收藏代码*/
function AddFavorite(sURL, sTitle)
{
    try
    {
        window.external.addFavorite(sURL, sTitle);
    }
    catch (e)
    {
        try
        {
            window.sidebar.addPanel(sTitle, sURL, "");
        }
        catch (e)
        {
            alert("加入收藏失败，请使用Ctrl+D进行添加");
        }
    }
}