function checkform()
{
	if(document.all){}  //IE内核的浏览器
   else    //非IE内核
	{
		form1=document.getElementById("form1");
	}
	 if (form1.usertel.value.length!=0)
	{ 
	 	 if (!checkPhone(form1.usertel.value)&&!checkMobile(form1.usertel.value))
		 {
		 alert('输入电话不正确！\n\n例如:13812345678或0592-3300399')
		 form1.usertel.focus()
		 return false;
		 }  		
	}
	 if (form1.usermail.value.length!=0)
	{
	 	 if (!checkEmail(form1.usermail.value))
		 {
		 alert('输入电子邮件不正确！\n\n例如:vobao88@vobao.com')
		 form1.usermail.focus()
		 return false;
		 }  		
	}
	 if (form1.usermail.value.length==0&&form1.usertel.value.length==0&&form1.userqq.value.length==0)
	 {
		alert('电子邮件，电话，QQ至少输入一项！')
		form1.usermail.focus()
		return false;
	 }
	
   if (form1.content.value.length==0)
	{
		 alert('请输入留言内容！')
		 form1.content.focus()
		 return false;	  
	}
	form1.submit();
}
function checkform2()
{
	 if (form1.username.value.length==0)
	{ 
	 alert('请输入您的姓名！方便保险代理人联系您！')
	 form1.username.focus()
	 return false;
	}
	 if (form1.usertel.value.length!=0)
	{ 
	 	 if (!checkPhone(form1.usertel.value)&&!checkMobile(form1.usertel.value))
		 {
		 alert('输入电话不正确！\n\n例如:13812345678或0592-3300399')
		 form1.usertel.focus()
		 return false;
		 }  		
	}
	 if (form1.usermail.value.length!=0)
	{
	 	 if (!checkEmail(form1.usermail.value))
		 {
		 alert('输入电子邮件不正确！\n\n例如:vobao88@vobao.com')
		 form1.usermail.focus()
		 return false;
		 }  		
	}
	if (form1.usermail.value.length==0&&form1.usertel.value.length==0&&form1.userqq.value.length==0)
	 {
		alert('电子邮件，电话，QQ至少输入一项！')
		form1.usermail.focus()
		return false;
	 }
    if (form1.birthday.value.length==0)
	{ 
		 alert('请输入您的出身日期！方便保险代理人更好的为您设计方案！')
		 form1.birthday.focus()
		 return false;
	} 
	//验证保障需求
	var len = document.form1.needs.length; 
    var checked = false; 
    for (i = 0; i < len; i++) 
    { 
        if (document.form1.needs[i].checked == true) 
        { 
            checked = true; 
            break; 
        } 
    } 
    if (!checked) 
    { 
        alert("请选择你需要的保障！方便保险代理人更好的为您设计方案！"); 
        return false; 
    } 
   if (form1.content.value.length==0)
	{
	 alert('请输入留言内容！')
	 form1.content.focus()
	 return false;
	}
	form1.submit();
}
function checkform3()
{
	 if (form1.username.value.length==0||form1.username.value=="请填写您的姓名")
	{ 
	 alert('请输入您的姓名！方便保险代理人联系您！')
	 form1.username.focus()
	 return false;
	}
	 if (form1.usertel.value.length!=0 &&form1.usertel.value!="请填写您的电话")
	{ 
	 	 if (!checkPhone(form1.usertel.value)&&!checkMobile(form1.usertel.value))
		 {
		 alert('输入电话不正确！\n\n例如:13812345678或0592-3300399')
		 form1.usertel.focus()
		 return false;
		 }  		
	}
	 if (form1.usermail.value.length!=0&&form1.usermail.value!="请填写您的Email")
	{
	 	 if (!checkEmail(form1.usermail.value))
		 {
		 alert('输入电子邮件不正确！\n\n例如:vobao88@vobao.com')
		 form1.usermail.focus()
		 return false;
		 }  		
	}
	if ((form1.usertel.value.length==0 ||form1.usertel.value=="请填写您的电话")  &&(form1.usermail.value.length==0||form1.usermail.value=="请填写您的Email"))
	 {
		alert('电子邮件，电话至少输入一项！')
		form1.usermail.focus()
		return false;
	 }
    
   if (form1.content.value.length==0||form1.content.value=="请填写留言内容")
	{
	 alert('请输入留言内容！')
	 form1.content.focus()
	 return false;
	}
	form1.submit();
}

function checkPhone(strPhone) { 
var phoneRegWithArea = /^[0][1-9]{2,3}-[0-9]{5,8}$/; 
var phoneRegNoArea = /^[1-9]{1}[0-9]{5,8}$/; 
if( strPhone.length > 9 ) {
    if( phoneRegWithArea.test(strPhone) ){return true; }else{return false;}
}else{
    if(phoneRegNoArea.test(strPhone)){return true; }else{return false;}
}
}
function isNumber(s){ 
var regu = "^[0-9]+$"; 
var re = new RegExp(regu); 
if (s.search(re) != -1) { return true;} else { return false;} 
}
function checkMobile(s){ 
var regu =/^[1][3,5][0-9]{9}$/; 
var re = new RegExp(regu); 
if (re.test(s)) { 
return true; 
}else{ 
return false; 
} 
}
function checkEmail(strEmail) { 
//var emailReg = /^[_a-z0-9]+@([_a-z0-9]+\.)+[a-z0-9]{2,3}$/; 
var emailReg = /^[\w-]+(\.[\w-]+)*@[\w-]+(\.[\w-]+)+$/; 
if( emailReg.test(strEmail) ){ return true; }else{ return false; } 
}

function bookTips(input,tips)
{
	    var input = document.getElementById(input);
	    if(!input) return;
	    if(!input.value)
	    {
		    input.value = tips;
		    input.style.color="#999";
	    }
	    if( input.value == tips )
	    {
		    input.style.color="#999";
	    }
	    else
	    {
		    input.style.color="";
			
	    }
	    input.onblur = function(){
		    if(!this.value){
			    this.value = tips;
			    input.style.color="#999";
		    }
		    else if(this.value == tips)
		    {
			    input.style.color="#999";	
		    }
		    else
		    {
			    input.style.color="";
		    }
	    }
	    input.onfocus = function(){
		    if(this.value == tips){
			    this.value = "";
			    input.style.color="";
				
		    }
		    else if(this.value == tips)
		    {
			    input.style.color="#999";	
		    }
		    else
		    {
			    input.style.color="";
				
		    }
	    }
}