var make	= (get_cookie("make")	!=null)?(get_cookie("make"))	:"";
var model	= (get_cookie("model")	!=null)?(get_cookie("model"))	:"";
var year	= (get_cookie("year")	!=null)?(get_cookie("year"))	:"";
var option	= (get_cookie("option")	!=null)?(get_cookie("option"))	:"";


function handleForms() {
	dis_select('make');
	dis_select('model');
	dis_select('year');
	dis_select('option');
	dis_button("by-vehicle-btn");		
	if (make.length>0 && model.length>0 && year.length>0 && option.length>0) {
		// prepopulate boxes with vehicle data
		show_items_preselected();
		
		//track the data for Webtrends
		dcsMultiTrack("WT.si_n", "TSV", "WT.si_x", "1");
		dcsMultiTrack("WT.si_n", "TSV", "WT.si_x", "2");
		dcsMultiTrack("WT.si_n", "TSV", "WT.si_x", "3");
		dcsMultiTrack("WT.si_n", "TSV", "WT.si_x", "4");
		
	}else{
		// populate the 'make' select box
		show_items('year','years');
	}
			
	dis_select('tireSizeType');
	dis_select('tireSectionWidth');
	dis_select('tireAspectRatio');
	dis_select('tireRimDiameter');
	dis_button("tire-size-btn");	
	show_items('tireSizeType','types');
		
	dis_select('prodId');
	dis_button("tire-name-btn");
	show_tire_names('prodId');
}