function checkSearch(id) {
  	    var keyword = $("#"+id).val();
  		if($.trim(keyword) == "")  {
  		    return false;
  		 } else {
  		 	return true;
  		 }
  	}
  	
  	var companyObj;
  	$(function(){
  		companyObj = $("#companyId")
  	});
  	
  	function submitSearchForm(event){
	 	if(event.keyCode == 13) {
	 		var searchKeyword = $("#searchKeyword").val();
	  	    if($.trim(searchKeyword) == "")  {
	  	    	alert("关键词不能为空，请输入关键词...");
	  		    return false;
	  		}
	  	   var query = encodeURLGBK(searchKeyword)+".html";
    	   var url = "http://search.518ad.com/product_"+query;
    	   window.location.href = url;
    	   return false;
	 	}
	 	return true;
	 }
 	
  	function shopSearch(tag) {
  	    var searchKeyword = $("#searchKeyword");
  	    if($.trim(searchKeyword) == "")  {
  	    	alert("关键词不能为空，请输入关键词...");
  		    return false;
  		} 
  	    var searchForm = $("#searchForm");
  		if(tag == "product") {
  		  var query = encodeURLGBK($("#searchKeyword").val())+".html";
    	  var url = "http://search.518ad.com/product_"+query;
    	  window.location.href = url;
  		} else if(tag == "shop") {
  		  searchForm.attr("action", "/searchproduct.html");
  		  searchKeyword.attr("name", "product.name");
  		  searchForm.append(companyObj);
  		  searchForm.submit();
  		}
  	}