function validate (form) {

var formname = 'document.'+form.name;
var elementname ;
var returnval;

obj = new Object(eval(formname));
for ( var i=0; i < obj.elements.length ; i++)
	{
		//alert(obj.elements[i].name);
		elementname = obj.elements[i].name;
		//alert (elementname);
		if (elementname.indexOf("DealrCode") > -1){
		//call the function to check that element
		formatDealrcode(obj.elements[i]);
		returnval = isString(obj.elements[i]);
		if (returnval == false){	return returnval; }
		}
		if (elementname.indexOf("make_model") > -1){
		//call the function to check if there is a comma separated list
		
		returnval = isList(obj.elements[i]);
		if (returnval == false) {	return returnval;}
		}
		// repeat this if statement for all the elements that are required
	}//end for loop
return returnval;
}

//name="myForm" onSubmit="return validate(this)" language="JavaScript"