//--检测搜索的安全性-->
<!--
	   function doSearch() {
		   
	      	var keywords = trim(document.searchForm.keywords.value);
		  	var Search_Direction = document.searchForm.Search_Direction.value;
		  	var Search_Class_ID = document.searchForm.Search_Class_ID.value;
		  	var Search_Txt = "";
			
			if(keywords == "") {
				alert("提示：请输入关键词！");
		     	document.searchForm.keywords.focus();
				return false;
			}
			if (keywords.length < 2) {
				alert("提示：关键词不能少于2个字符！");
				document.searchForm.keywords.focus();        
				return false;
			}
			
			var filter=/^\s*[0-9]\s*$/;
			if (filter.test(Search_Class_ID)) { 
				Search_Txt="&Search_Class_ID=" + Search_Class_ID;
			}
			
		  	url = "http://www.flooring.com.cn/search/search" + Search_Direction + ".asp?keywords=" + keywords + Search_Txt;
			document.searchForm.action = url;
			document.searchForm.submit()
	   	}
	
       function trim(inputString) {
              if (typeof inputString != "string") { return inputString; }
              var retValue = inputString;
              var ch = retValue.substring(0, 1);
              while (ch == " ") { 
	          //检查字符串开始部分的空格
                  retValue = retValue.substring(1, retValue.length);
                  ch = retValue.substring(0, 1);
              }
              ch = retValue.substring(retValue.length-1, retValue.length);
              while (ch == " ") {
                 //检查字符串结束部分的空格
                 retValue = retValue.substring(0, retValue.length-1);
                 ch = retValue.substring(retValue.length-1, retValue.length);
              }
              while (retValue.indexOf("  ") != -1) { 
	         //将文字中间多个相连的空格变为一个空格
                 retValue = retValue.substring(0, retValue.indexOf("  ")) + retValue.substring(retValue.indexOf("  ")+1, retValue.length); 
              }
              return retValue;
           } 
//-->