//This function verifies the field data.
//Return true or false.
function verify(Form){
 
    //VALIDATE field must be set to 'true'
    if(document.faster.VALIDATE.value == "True"){ 
   
	    //Regular expressions.
	    var BlankFormat = /^.+$/
	    var DateFormat = /^\d{1,2}\D?(\d{1,2}\D?)?\d{2}(\d{2})?$/
	    var PhoneFormat = /^\D?[2-9]\d{2}\D?\d{3}\D?\d{4}$/
	    var EmailFormat = /^([0-9a-zA-Z]+([_.-]?[0-9a-zA-Z]?))*@([0-9a-zA-Z]+[0-9,a-z,A-Z,.,-]*\.{1}[a-zA-Z]{2,4})+$/
	    var ZipFormat = /^(\d{5}(-\d{4})?)$|^([a-zA-Z]\d[a-zA-Z]( )?\d[a-zA-Z]\d)$/
	    var IntFormat = /^\d+$/
	    var CardNumFormat = /^\d{4}\D?\d{4}\D?\d{4}\D?\d{4}$/
	
        var AlertMessage = "There are errors in these fields:\n\n";
    
        //This variable represents if the form is valid or not.
        var Verified = true;
    
        //This variable represents if the individual field passes validation.
        var Passed = false;
    
        //Loops through each input in the form.
        for(var i = 0; i < Form.length; i++){
	  
            //Set the form element to a variable.
            var e = Form.elements[i];
   
            //If the field is not hidden, a submit button, or a reset button...
            if(e.type != "hidden" && e.type != "submit" && e.type != "reset"){
               
                //This If..Else block checks each field's Name for certain key words.
                //If the Name contains a key word, it checks the fields value against
                //the appropriate regular expression, setting the Passed variable to 
	            //either true or false.
	            if (e.name.search("VLD") != -1){Passed = BlankFormat.test(e.value);}                        			            //Blank field check
                  else if(e.name.search("VINT") != -1){Passed = IntFormat.test(e.value);}			                                    //Integer-only check
    	            else if(e.name.search("VCHECKED") != -1){e.name.replace("VCHECKED","");if(!e.checked){Passed = false;}}             //Checkbox-is-checked chec
	            else if(e.name.search("VDROPDOWN") != -1){e.name.replace("VDROPDOWN","");if(e.selectedIndex == 0){Passed = false;}}	//Drop down first option not selected check
                  else if(e.name.search("VZIP") != -1){Passed = ZipFormat.test(e.value);}			                                    //Zip code format check
                  else if(e.name.search("VEMAIL") != -1){Passed = EmailFormat.test(e.value);}		                                    //Email format check
                  else if(e.name.search("VPHONE") != -1){Passed = PhoneFormat.test(e.value);}		                                    //Phone number format check
                  else if(e.name.search("VCC") != -1){Passed = CardNumFormat.test(e.value);}			                                //Credit card number format check
                  else if(e.name.search("VDATE") != -1){Passed = DateFormat.test(e.value);}			                                //Date format check
                  else {Passed = true;}    
               
                //If the field does not pass validation, Verified is set to false,
                //and the border is set to red and adds the field's ID to the alert message.
                if(!Passed){
                    e.style.border='3px solid red';
                    AlertMessage += "* " + e.id + "\n";
                    Verified = false;
                }else{
                    e.style.border='2px solid green';
                }         
               
		    }  
        }
	
        //If the form is not Verified, a dialog box is displayed with the alert message.
        if(Verified==true){
            return true;
        }
	    else { 
	        alert(AlertMessage + '\n\nCorrect these problems to continue.');
	        return false;
	    }
	    
    }
    
    return true;
};