function check_forgot(easy)
{
	if(easy.emailid.value=="")
	{
		alert("Please enter Email ID");
		easy.emailid.focus();
		return false;
	}
}
function check_login(easy)
{
	if(easy.username.value=="")
	{
		alert("Please enter username");
		easy.username.focus();
		return false;
	}
	if(easy.password.value=="")
	{
		alert("Please enter password");
		easy.password.focus();
		return false;
	}
}
function reference(easy)
{
	if(easy.surname.value=="")
	{
		alert("Please enter your name");
		easy.surname.focus();
		return false;
	}
	if(easy.brief.value=="")
	{
		alert("Please select upload file");
		easy.brief.focus();
		return false;	
	}
	
}
function check_register(easy)
{
	if(easy.title.value=="")
	{
		alert("Please enter title");
		easy.title.focus();
		return false;
	}
	if(easy.surname.value=="")
	{
		alert("Please enter surname");
		easy.surname.focus();
		return false;
	}
	if(easy.daytimenumber.value=="")
	{
		alert("Please enter Daytime number");
		easy.daytimenumber.focus();
		return false;
	}
	if(easy.address.value=="")
	{
		alert("Please enter Current address");
		easy.address.focus();
		return false;
	}
	if(easy.postcode.value=="")
	{
		alert("Please enter postcode");
		easy.postcode.focus();
		return false;
	}
	if(easy.email.value=="")
	{
		alert("Please enter email");
		easy.email.focus();
		return false;
	}
	var emailID=easy.email;
	
	if ((emailID.value==null)||(emailID.value=="")){
		alert("Please Enter your Email ID");
		emailID.focus();
		return false;
	}
	if (echeck(emailID.value)==false){
		emailID.value="";
		emailID.focus();
		return false;
	}
	
	if(easy.password.value=="")
	{
		alert("Please enter a password");
		easy.password.focus();
		return false;
	}
}


function echeck(str) {

		var at="@"
		var dot="."
		var lat=str.indexOf(at)
		var lstr=str.length
		var ldot=str.indexOf(dot)
		if (str.indexOf(at)==-1){
		   alert("Invalid E-mail ID")
		   return false
		}

		if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr){
		   alert("Invalid E-mail ID")
		   return false
		}

		if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr){
		    alert("Invalid E-mail ID")
		    return false
		}

		 if (str.indexOf(at,(lat+1))!=-1){
		    alert("Invalid E-mail ID")
		    return false
		 }

		 if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){
		    alert("Invalid E-mail ID")
		    return false
		 }

		 if (str.indexOf(dot,(lat+2))==-1){
		    alert("Invalid E-mail ID")
		    return false
		 }
		
		 if (str.indexOf(" ")!=-1){
		    alert("Invalid E-mail ID")
		    return false
		 }

 		 return true					
	}