function insert1(){		
		var form3 = document.getElementById("headerForm");
		var html = form3.query.value;
		//alert(html);
		html = html.replace("\n\r","  ").replace("\r\n", " ").replace("\n", " ").replace("\r", " ").replace("\t","  ");
  
        if((/<([^ >])+[^>]*>(?:[\S\s]*?<\/\1>)?/gi).test(html)){
        	alert("输入有误！请重新输入！");
        	form3.query.value="";
        	form3.query.focus(); 
        	return false;
        }
		form3.submit();
	}