function chekForm(form){
	
	if(form.Name.value == ""){
		alert("Name field is empty!")
	return false;
		}
		
	if(form.Email.value == ""){
		alert("Email field is empty!")
	return false;
		}
			else if(document.sendMail.Email.value.indexOf('@') == -1)
			{
				alert("Incorrect Email address!");
				return false;
			}	
			else if(document.sendMail.Email.value.indexOf('.') == -1)
			{
				alert("Incorrect Email address!");
				return false;
							}	
	if(form.Comment.value == ""){
		alert("Comment field is empty!")
	return false;
		}
}