window.onload = function(){
	
	function $() {
		var elements = new Array();
		for (var i = 0; i < arguments.length; i++) {
			var element = arguments[i];
			if (typeof element == 'string')
				element = document.getElementById(element);
			if (arguments.length == 1)
				return element;
			elements.push(element);
		}
		return elements;
	}
	
	function addYearList(y1, y2, sel, element){
		element.length = 0;
		var years = y2-y1;
		if(y1 < y2){
			for(i = 0; i <= years; i++){
				element.options[i] = new Option(parseInt(y2)-i, parseInt(y2)-i);
				if(parseInt(y2)-i == sel){
					//element.options[i].defaultSelected = true;
					element.selectedIndex = i;
				}
			}
		}else{
			if(y1 == y2){
				element.options[0] = new Option(parseInt(y2), parseInt(y2));
			}
		}
		/*for(i = 0 ; i <= (y2 - y1)+1; i++){
			element.options[i] = new Option(parseInt(y1)+i, parseInt(y1)+i);
		}*/
	}
	
	
	addYearList(1900, 2011, 1990, $("y1"));
	addYearList(1991, 2011, 2011, $("y2"));
	
	$("y1").onchange = function(){
		addYearList(parseInt(this.value), 2011, 2011, $("y2"));
	}
	
	$("make").onchange = function(){
		var makeid = $("make").options[$("make").selectedIndex].value;
		populateddlb(ajF+"models.php", "make="+makeid, "model");
	}
	
}