function contactValidate(){
  
  var errors = "";
  var valid = true;
  var usgName = document.getElementById("name").value
    if(usgName == ""){
        errors +="*Name is Required\n";
        valid = false;   
          
    } 

  var usgEmail = document.getElementById("email").value
    if(usgEmail == ""){
       errors += "*Email is Required  \n";
       valid = false;
         
        }
    if(!echeck(usgEmail)){
      errors += "*Inavlid Email Format \n";
      valid = false; 
     }
   var usgComment = document.getElementById("comment").value
    if(usgComment == ""){
       errors += "*Comment is Required  \n";
       valid = false;
        }  

  if(!valid){
     addError(errors);  
   }
  else{
     
    //document.form1.submit();
  return true;
  }
 return false;
}


function addError(errors){
  alert(errors);
}

function echeck(str) {

		var at="@"
		var dot="."
		var lat=str.indexOf(at)
		var lstr=str.length
		var ldot=str.indexOf(dot)
		if (str.indexOf(at)==-1){
		   return false
		}

		if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr){
		   return false
		}

		if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr){
		    return false
		}

		 if (str.indexOf(at,(lat+1))!=-1){
		    return false
		 }

		 if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){
		    return false
		 }

		 if (str.indexOf(dot,(lat+2))==-1){
		    return false
		 }
		
		 if (str.indexOf(" ")!=-1){
		    return false
		 }

 		 return true					
	}

function contactSubmit(){
       alert("TRUE");
      var contactName = $("#usgName").val();
	var contactEmail = $("#usgEmail").val();
	var contactPhone = $("#usgPhone").val();
	var contactCompany = $("#usgCompany").val();
	var contactDiscuss = $("#usgComment").val();
	var subject = $("#usgSubject").val();
        var file_name=""; 
         
     $.ajax({
	   type: "POST",
	   url: "update.php",	     
	   data:"field="+subject+"&Name="+contactName+
	         "&Email="+contactEmail+
			 "&Phone="+contactPhone+
	         "&CompanyName="+contactCompany+"&Comment="+contactDiscuss+"&filename="+file_name,
           success:function(){
                   createDoc();
                   
                }
	 });
}

function contactClear(){
  $("#usgName").val("");
  $("#usgEmail").val("");
  $("#usgPhone").val("");
  $("#usgCompany").val(""); 
  $("#usgComment").val("");
}