function validatecontactus(var_submittype)
{
	errmsg="";
	rad_selected = false;
	proceed = true ;
	if (var_submittype == "contactus"){
		if (IsEmpty(document.frm1.Name))
		{
			errmsg = " Please enter a Name.";
			proceed = false ;
		}
		else if (IsEmpty(document.frm1.PostalAddress))
		{
			errmsg = " Please enter the postal address.";
			proceed = false ;
		}
		else if (IsEmpty(document.frm1.City))
		{
			errmsg = " Please enter a city.";
			proceed = false ;
		}
		else if (IsEmpty(document.frm1.Phone))
		{
			errmsg = " Please enter a phone number.";
			proceed = false ;
		}
		else if (IsEmpty(document.frm1.Email))
		{
			errmsg = " Please enter an emailid.";
			proceed = false ;
		}
		else if (document.frm1.Country[document.frm1.Country.selectedIndex].value.length == 0 )
		{
			errmsg = " Please choose a country.";
			proceed = false ;
		}
		else if (document.frm1.Age[document.frm1.Age.selectedIndex].value.length == 0 )
		{
			errmsg = " Please choose an age.";
			proceed = false ;
		}
		else if (document.frm1.StudyLocation[document.frm1.StudyLocation.selectedIndex].value.length == 0)
		{
			errmsg = " Please choose the study location.";
			proceed = false ;
		}
		else if (!IsEmpty(document.frm1.Email)){
			if (!checkEmail(document.frm1.Email.value)){
				errmsg = " Please enter a valid emailid.";
				proceed = false ;
			}
		}
	}


	if (proceed)
	{
		document.frm1.action = "contactus.php";
		document.frm1.submit();
	}
	else
	{
		alert(errmsg);
		return false;
	}
	

}

/*function IsEmptyDropDown(fieldname) {

fieldvalue = eval(fieldname+"["+fieldname+".selectedIndex].value")
alert(fieldvalue)

	if (IsEmpty(fieldvalue))
	{
		return true;
	}
	return false;
}*/

function checkEmail(myValue) {

if (/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test(myValue))
{
	return (true)
}

return (false)
}

function IsEmpty(aTextField) {
   if ((aTextField.value.length==0) ||
   (aTextField.value==null)) {
      return true;
   }
   else { return false; }
}

function activateField(fieldName) {
	eval("document.frm1."+fieldName+".readOnly = false");
}