// JavaScript Document
function getindexurl(k,st,ex){
	var txtk=document.getElementById(k);
	var txtst=document.getElementById(st).value;
	var txtex=document.getElementById(ex);
	if(txtk.value=="元器件型号或名称")
		txtk.value="";
	
	var pagename="search";
	if(txtst==1)
		pagename="search";
	else if(txtst==2)
		pagename="buys";
	else if(txtst==3)
		pagename="online";
	else if(txtst==4)
		pagename="sells";
	else if(txtst==5)
		pagename="suppliers";

	if(txtst==1)
	{
		if(txtk.value=="")
		{
			alert("请填写关键词！");
			txtk.focus();
			return false;
		}
		if(txtk.value.length<4)
		{
			alert("关键词长度不能小于4个词！");
			txtk.focus();
			return false;
		}
	}
	else
	{	
		if(txtk.value!="")
		{
			if(txtst!=5)
			{
				if(txtk.value.length<4)
				{
					alert("关键词长度不能小于4个词！");
					txtk.focus();
					return false;
				}
			}
			else
			{
				if(txtk.value.length<2)
				{
					alert("关键词长度不能小于2个词！");
					txtk.focus();
					return false;
				}
			}
		}
	}
	var linkurl="/"+pagename+".html?ex=" + (txtex.checked?"1":"0") + "&k="+ escape(txtk.value)
	window.location =linkurl;
	return true;
}

function geturl(pagetype,pagename,topfoot){
	var txtk=document.getElementById("k"+topfoot);
	if(txtk.value=="元器件型号或名称")
		txtk.value="";
	if(pagetype=='2')
	{
		
		if(pagename=="buys" || pagename=="online" || pagename=="sells" || pagename=="suppliers"  || pagename=="infos"   || pagename=="post"  )
		{
			/*if(txtk.value.length<2)
			{
				alert("关键词长度不能小于2个词！");
				txtk.focus();
				return false;
			}*/
		}
		else
		{
			if(txtk.value=="")
			{
				alert("请填写关键词！");
				txtk.focus();
				return false;
			}
			if(txtk.value.length<4)
			{
				alert("关键词长度不能小于4个词！");
				txtk.focus();
				return false;
			}
		}
	}
	var linkurl="/"+pagename+".html?ex=" + (document.getElementById("ex"+topfoot).checked?"1":"0") + "&k="+ escape(txtk.value)
	window.location =linkurl;
	return true;
}

function geturlbook(pagetype,pagename,topfoot){
	var posttype=document.getElementsByName("posttype");
	var posttypes=0;
	 for(var i=0;i<posttype.length;i++){ 
		if(posttype[i].checked)
			posttypes=posttype[i].value; 
	 }  

	if(posttypes==0)
	{
		var txtk=document.getElementById("k"+topfoot);
		if(txtk.value=="")
		{
			alert("型号名字不能为空！");
			{
				txtk.focus();
				return false;
			}
		}

		 window.location ="/bbs/ic_ic_"+txtk.value+"_关键字_1.html";
	}
	else
		geturl(pagetype,pagename,topfoot)
	return true;
}

function checklog(username)
{
	if(username!="")
	{
		document.getElementById("lgi").style.display="none";
		document.getElementById("lgo").style.display="";
	}
}