function validateForm(){
	var form_check = document.forms.test.elements;
	if(form_check.first.value == ''){
		alert("Enter your firstname.");
		return false;
	}
	if(form_check.last.value == ''){
		alert("Enter your lastname.");
		return false;
	}
	if(form_check.phone.value ==''){
		alert("Enter your telephone number.");
		return false;
	}
	if(form_check.mobile.value ==''){
		alert("Enter your Mobile number.");
		return false;
	}
	if(form_check.address.value ==''){
		alert("Enter your home address.");
		return false;
	}
	if(form_check.email.value.indexOf('@')<0){
		alert("Invalid email address!!");
		return false;
	}
	if(form_check.web.value.indexOf('http://www.')<0){
		alert("Invalid web URL!!");
		return false;
	}
	return true;
}