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, element){
		var years = (y2 - y1);
		element.length = 0;
		for(i = 0 ; i <= years; i++){
			element.options[i] = new Option(parseInt(y2)-i, parseInt(y2)-i);
		}
	}
	addYearList(1900, 2009, $("year"));
	
	$("make").onchange = function(){
		var makeid = $("make").options[$("make").selectedIndex].value;
		populateddlb(ajF+"models.php", "make="+makeid+"&index=sell", "model");
	}

	$("upload").onclick = function(){
		if(parseInt($("foto").value.length) > 0){
			uploadPicture($("foto"));
		}else{
			alert("Selecciona una foto para subir");
		}
	}
	
	$("upload2").onclick = function(){
		document.getElementById("sellform").submit();
	}

	function uploadPicture(picture){
		picture.form.submit();
		picture.form.reset();
		return true;
	}
	
}