String.prototype.trim  =  function()  
{  
    return  this.replace(/(^\s*)|(\s*$)/g,"");  
}

function QuestionFormSubmit(){	
	var qTitle=document.forms[0].q_title.value;
	var title=qTitle.trim();
	var qName=document.forms[0].q_name.value;
	var name=qName.trim();
	var qEmail=document.forms[0].q_email.value;
	var email=qEmail.trim();
	var qContent=document.forms[0].q_content.value;
	var content=qContent.trim();
	if(title.length<1){
		window.alert("\u95ee\u9898\u6807\u9898\u8bf7\u60a8\u586b\u5199\uff01");
		document.forms[0].q_title.focus();
		return false;
		}
		if(title.length<5){
		window.alert("\u95ee\u9898\u6807\u9898\u5b57\u6570\u4e0d\u5f97\u5c11\u4e8e5\u4e2a\u5b57\uff01");
		document.forms[0].q_title.focus();
		return false;
		}
	if(name.length<1){
		window.alert("\u59d3\u540d\u8bf7\u60a8\u586b\u5199\uff01");
		document.forms[0].q_name.focus();
		return false;
	}
	if(email.length<1){
		window.alert("\u4e3a\u4e86\u66f4\u597d\u7684\u8054\u7cfb\u60a8\uff0c\u8bf7\u586b\u5199\u90ae\u7bb1\u5730\u5740\uff01");
		document.forms[0].q_email.focus();
		return false;
	}
	if(content.length<1){
		window.alert("\u95ee\u9898\u5177\u4f53\u63cf\u8ff0\u4e0d\u8bb8\u662f\u7a7a\uff01");
		document.forms[0].q_content.focus();
		return false;
	}
	if(content.length<10){
		window.alert("\u95ee\u9898\u63cf\u8ff0\u4e0d\u5e94\u8be5\u5c11\u4e8e10\u5b57\uff01");
		document.forms[0].q_content.focus();
		return false;
	}if(!mail(email)){
	window.alert("\u60a8\u586b\u5199\u7684\u90ae\u7bb1\u5730\u5740\u6709\u8bef\uff01");
	document.forms[0].q_email.focus();
		return false;
	}
}
function mail(str){
	var pattern=/^\w+((-\w+)|(\.\w+))*\@[A-Za-z0-9]+((\.|-)[A-Za-z0-9]+)*\.[A-Za-z0-9]+$/;  
	flag=pattern.test(str);
	if(flag)   
  	{         
  	  return ture;   
  	}else{        
          return false;   
        }   

}