function checksearch(){
	  			var word=document.hyformnew.keywords.value;
				if(word.replace(/\s+/g,"")==""||word.substring(0,3)=='请输入'){	
					alert('请输入信息关键字！');
					document.hyformnew.keywords.value="";
					document.hyformnew.keywords.focus();
 					return false;
	 			}
			}
			function checksearch2(){
	  			var word=document.hyformnew.keywords.value;
				if(word.replace(/\s+/g,"")==""||word.substring(0,3)=='请输入'){	
					alert('请输入信息关键字！');
					document.hyformnew.keywords.value="";
					document.hyformnew.keywords.focus();
 					return false;
	 			}
				if(document.getElementById('hyformnew').action == "/search/searchvip.aspx"){
					document.getElementById('hyformnew').action = "/search/searchsale.aspx";
				}
				document.hyformnew.submit();
			}

			function fundirectgotocorp(gotocorp){
				var word=document.hyformnew.keywords.value;
				if(gotocorp==1){
					document.getElementById('hyformnew').action = "/search/searchsale.aspx";
					if(word.replace(/\s+/g,"")==""||word.substring(0,3)=='请输入'){
					document.hyformnew.keywords.value="请输入供应关键字";
					document.hyformnew.sid.value="1";
					}
					hidesub(1);
				}
				if(gotocorp==2){
					document.getElementById('hyformnew').action = "/search/searchbuy.aspx";
					if(word.replace(/\s+/g,"")==""||word.substring(0,3)=='请输入'){
					document.hyformnew.keywords.value="请输入求购关键字";
					document.hyformnew.sid.value="2";
					}
					hidesub(2);
					
				}
				if(gotocorp==3){
					document.getElementById('hyformnew').action = "/search/searchcom.aspx";
					if(word.replace(/\s+/g,"")==""||word.substring(0,3)=='请输入'){
					document.hyformnew.keywords.value="请输入公司关键字";
					document.hyformnew.sid.value="3";
					}
					hidesub(3);
				}
				if(gotocorp==4){
					document.getElementById('hyformnew').action = "/search/searchinfo.aspx";
					if(word.replace(/\s+/g,"")==""||word.substring(0,3)=='请输入'){
					document.hyformnew.keywords.value="请输入资讯关键字";
					document.hyformnew.sid.value="4";
					}
					hidesub(4);
				}
			}
			
			function hidesub(num){
				for(i=1;i<=4;i++){
					document.getElementById('search_sub'+i).style.backgroundImage="url(/skins/skin9/images/search_sub.gif)";
					document.getElementById('search_sub'+i).style.color="#000";
				}
				document.getElementById('search_sub'+num).style.backgroundImage="url(/skins/skin9/images/search_sub1.gif)";
				document.getElementById('search_sub'+num).style.color="#FFF";
			}