function clear_default (el) {
	if (el.value == el.defaultValue) {
		el.value = '';
	}
}

function validate( )
{
valid = true;	 
	if ( document.contactForm.varName.value == "") {
alert ( "Please enter your Name" );
valid = false;
}
			if ( document.contactForm.varPhone.value == "") {
alert ( "Please enter your Phone Number" );
valid = false;
		}
		if ( document.contactForm.varEmail.value == "") {
alert ( "Please enter your Email Address" );
valid = false;
		}
				return valid;
}