String.prototype.replaceAll  = function(s1,s2)
	{    
		return this.replace(new RegExp(s1,"gm"),s2);    
	} 
	
	//去掉左右空格
	String.prototype.Trim = function()   
	{   
		return this.replace(/(^\s*)|(\s*$)/g, "");   
	}

	//去格式
	function formatbj(strsearch)
	{
		var strsearch = new String(strsearch);
	
		//单引号去掉   
		strsearch = strsearch.replaceAll("'","");
		strsearch = strsearch.replaceAll("‘","");
		//去掉前后空格
		strsearch = strsearch.Trim();
		//alert(strsearch);
		return strsearch;
	}
	
	//第一次检索
	function check()
    {
	    	var searchword;
	    	var vkeyWords=/^[^`~!@#$%^&*()+=|\\\][\]\{\}:;'\,.<>/?]{1}[^`~!@$%^&()+=|\\\][\]\{\}:;'\,.<>?]{0,1000}$/; 
	    	//比对检索内容
	    	searchword = document.searchForm.sw.value;
			//比对内容为空
			if(searchword=="")
			{
				alert("检索词不能为空，请重新输入!");
				return false;
			}
			
			//去掉特殊字符，并限制1000字
			if(!vkeyWords.test(searchword))   
		    {   
		    	alert("比对内容含有特殊字符或超过1000字，请检查后重新输入");
		    	return false;
		    } 			    
    }
    
    //清除
   function cleartext()
   {
   		document.searchForm.sw.value="";
   }
   //显示留言框
   function comment()
   {	
   		document.forms.frm.action="http://www.rmjd.net/message!load.action";
   		document.forms.frm.submit();
  }