function Search_submit(){//ËÑË÷

		var keywords=document.getElementById("TopKeyword")
		var formtype=document.getElementById("Search_type")
		if(keywords.value.replace(/^\s+|\s+$/g,"")=="" || keywords.value=="ÇëÊäÈë¹Ø¼ü×Ö"){
			alert("ÇëÊäÈë¹Ø¼ü×Ö");
			
		}else
		{
			
		   if(formtype.value=="Supply"){
		   window.location.href="/Sell-Offers/Trade/Index.asp?ChannelID=1&Keyword="+keywords.value;
		    }
		
		  if(formtype.value=="Buy"){	window.location.href="/Buy-Offers/Trade/Index.asp?ChannelID=2&Keyword="+keywords.value;}
		if(formtype.value=="Product"){	window.location.href="/Products/Trade/Index.asp?ChannelID=3&Keyword="+keywords.value;}
		if(formtype.value=="Company"){
	window.location.href="/Companies/Trade/?ChannelID=4&Keyword="+keywords.value;}
		if(formtype.value=="Info"){	window.location.href="/Info-Center/ShowSearch.Asp?Keyword="+keywords.value;}
		if(formtype.value=="Expo"){window.location.href="/Tradeshow/ShowSearch.Asp?Keyword="+keywords.value;}
		if(formtype.value=="Eng")
		{
		window.location.href="/thesaurus/Index.asp?Keyword="+keywords.value;
		}
	       if(formtype.value=="Iask")
		{
		window.location.href="/Iask/ShowSearch.Asp?Keyword="+keywords.value;
		}
	        if(formtype.value=="zd")
		{	
		location.href="/Key_Link.asp?TradeID=&Province=&City=&RegTime=&Action=0&Keyword="+document.getElementById("TopKeyword").value;
		}
		
		}
	}