function checkForm(){
var _1=document.getElementById("contact_name").value;
var _2=document.getElementById("contact_email").value;
var _3=document.getElementById("contact_phone").value;
var _4=document.getElementById("contact_address").value;
var _5=document.getElementById("contact_citystate").value;
  
if(_1.length==0||_2.length==0||_3.length==0||_4.length==0||_5.length==0){
alert("Please fill all required fields.");
}else{
document.getElementById("contact").submit();
}
}