function isBlank()
{
    var gender=document.form1.gender.value;
	if((gender=="null")||(gender==""))
	{
		alert("Please select your gender.");
		form1.gender.focus();
		return false;
	}

    var gender1=document.form1.gender1.value;
	if((gender1=="null")||(gender1==""))
	{
		alert("Please select your seeking gender.");
		form1.gender1.focus();
		return false;
	}

	var relationship=document.form1.relationship.value;
	if((relationship=="null")||(relationship==""))
	{
		alert("Please select your intension.");
		form1.relationship.focus();
		return false;
	}
	var mm=document.form1.mm.value;
	if((mm=="null")||(mm==""))
	{
		alert("Please select month of your date of birth.");
		form1.mm.focus();
		return false;
	}
	
 	var dd=document.form1.dd.value;
	if((dd=="null")||(dd==""))
	{
		alert("Please select day of your date of birth.");
		form1.dd.focus();
		return false;
	}
	
	var yy=document.form1.yy.value;
	if((yy=="null")||(yy==""))
	{
		alert("Please select year of your date of birth.");
		form1.yy.focus();
		return false;
	}

	var stid=document.form1.stid.value;
	if((stid=="null")||(stid==""))
	{
		alert("Please select your state.");
		form1.stid.focus();
		return false;
	}

	var city=document.form1.city.value;
	if((city=="null")||(city==""))
	{
		alert("Please enter your city name.");
		form1.city.focus();
		return false;
	}
	
	var zip=document.form1.zip.value;
	if((zip=="null")||(zip=="")||(zip.length<5))
	{
		alert("Please enter your ZIP code. ZIP code length must be 5 digits.");
		form1.zip.focus();
		return false;
	}
	else if(isNaN(zip))
	{
	alert("Please enter numeric value.");
	form1.zip.focus();
	return false;
	}

	var email=document.form1.email.value;
	if((email=="null")||(email==""))
	{
		alert("Please enter your valid Email Id.");
		form1.email.focus();
		return false;
	} 
	else	if(!email.match(/^[A-Za-z0-9\._\-+]+@[A-Za-z0-9_\-+]+(\.[A-Za-z0-9_\-+]+)+$/))
	{
		alert("This is not a valid email id! Please fill a valid Email Id.");
		form1.email.focus();
		return false;
	}

    var user=document.form1.user.value;
	if((user=="null")||(user==""))
	{
		alert("Please enter your user name.");
		form1.user.focus();
		return false;
	}
	
    var pass=document.form1.pass.value;
	if((pass=="null")||(pass=="")||(pass.length<6))
	{
		alert("Please enter your password. Password must be at least six characters long.");
		form1.pass.focus();
		return false;
	}
	

return true;		
}