// JavaScript Document
function submitSearch()
{
	if(document.getElementById('textfield').value=='')
	{
		alert('请输入要搜索的关键字!');
		return false;
	}
	else
	{
		var action=url;
		var type=document.getElementById('txthid').value;
		if(type==1)
		{
			action=action+"product/?t=proList";
		}
		else if(type==2)
		{
		    action=action+"trade/?t=_list";
		}
			else if(type==3)
		{
			action=action+"company/?t=_list";
		}
			else if(type==4)
		{
			action=action+"article/?task=search";
		}

		action=action+"&k="+encodeURIComponent(document.getElementById('textfield').value);
		location.href=action;
	}
}