// JavaScript Document
function isNumberKey(evt)
      {
         var charCode = (evt.which) ? evt.which : event.keyCode
         if (charCode > 31 && (charCode < 48 || charCode > 57))
            return false;
			
         return true;
      }

function isPhoneNum(evt)
      {
         var charCode = (evt.which) ? evt.which : event.keyCode
         if (charCode > 31 && (charCode < 48 || charCode > 57) && (charCode !== 45))
            return false;
			
         return true;
      }
	  
	  function isGPA(evt)
      {
         var charCode = (evt.which) ? evt.which : event.keyCode
         if (charCode > 31 && (charCode < 48 || charCode > 57) && (charCode !== 46))
            return false;
			
         return true;
      }
	  
	  function formCheck(formobj){
	// Enter name of mandatory fields
	var fieldRequired = Array("First_Name", "Last_Name", "PSID", "Gender", "First_Generation", 
							  "Permanent_Street","Permanent_City", "Permanent_State", "Permanent_Zip", 			                                  "Personal_Email", "DePaul_Email", "CellPager","ResidentCommuter", 
								"Major","Undecided", "School", "PM_Same_Gender");
	// Enter field description to appear in the dialog box
	var fieldDescription = Array("First Name", "Last Name", "DePaul ID", "Gender", 
								 "Did your parents earn a degree?", 
							  "Street Address","City", "State", "ZipCode", 			                                  "Email", "DePaul Email", "Mobile Number","Live On Campus?", 
								"Major","Undecided", "College", "Mentor Gender Preference");
	// dialog message
	var alertMsg ="Opps! Looks like you forgot to fill in some info. \n" + "Please give the best contact information for \n" + "your phone number and email. If you are \n" + "undecided please fill in the College/Major \n" + "that most interest you. \n \n" + "Please complete the following fields below:\n";
	
	var l_Msg = alertMsg.length;
	
	for (var i = 0; i < fieldRequired.length; i++){
		var obj = formobj.elements[fieldRequired[i]];
		if (obj){
			switch(obj.type){
			case "select-one":
				if (obj.selectedIndex == -1 || obj.options[obj.selectedIndex].text == ""){
					alertMsg += " - " + fieldDescription[i] + "\n";
				}
				break;
			case "select-multiple":
				if (obj.selectedIndex == -1){
					alertMsg += " - " + fieldDescription[i] + "\n";
				}
				break;
			case "text":
			case "textarea":
				if (obj.value == "" || obj.value == null){
					alertMsg += " - " + fieldDescription[i] + "\n";
				}
				break;
			default:
			}
			if (obj.type == undefined){
				var blnchecked = false;
				for (var j = 0; j < obj.length; j++){
					if (obj[j].checked){
						blnchecked = true;
					}
				}
				if (!blnchecked){
					alertMsg += " - " + fieldDescription[i] + "\n";
				}
			}
		}
	}

	if (alertMsg.length == l_Msg){
		return true;
	}else{
		alert(alertMsg);
		return false;
	}
}