function insert(){
		var form = document.getElementById("mForm");
		
		if(form.query.value==""){
			alert('请输入查询条件');
			form.query.focus(); 
			return false;
		}
		var html = form.query.value;
		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！");
        	form.query.value="";
        	form.query.focus(); 
        	return false;
        }  
         if( /<|>|'|;|&|,|，|and|or|97|110|100|111|114|94|65292|60|62|39|#|"|'/.test(html)){
         
        	alert("输入内容包含非法特殊字符！请重新输入！");
        	form.query.value="";
        	form.query.focus(); 
        	return false;
        }         
		form.submit();
}
function   enter_down() 
{ 
      if(event.keyCode== "13 ")event.returnValue   =   false; 
    }