var userAgent = navigator.userAgent.toLowerCase();
var n4 = document.layers;
var w3c = document.documentElement && !n4
var opera = userAgent.indexOf("opera")>=0 && !n4 && !w3c;
var ie = document.all && !opera && userAgent.indexOf("ie")>=0;
var dhtml = (n4 || ie || w3c || opera) && userAgent.indexOf("aol")<0;  

var btns = new Array();

function initPics()
{
	btns[0] = new Image();
	btns[1] = new Image();
	btns[2] = new Image();
	btns[3] = new Image();
	btns[4] = new Image();
	btns[5] = new Image();
	btns[6] = new Image();
	btns[7] = new Image();
	btns[8] = new Image();
	btns[9] = new Image();
	btns[10] = new Image();
	btns[11] = new Image();
	btns[12] = new Image();
	btns[13] = new Image();
	
	btns[0].src = "img/topangebot1.gif";
	btns[1].src = "img/topangebot2.gif";
	btns[2].src = "img/sofindensieuns1.gif";
	btns[3].src = "img/sofindensieuns2.gif";
	btns[4].src = "img/unserewerkstatt1.gif";
	btns[5].src = "img/unserewerkstatt2.gif";
	btns[6].src = "img/fahrzeuge1.gif";
	btns[7].src = "img/fahrzeuge2.gif";
	btns[8].src = "img/impressum1.gif";
	btns[9].src = "img/impressum2.gif";
	
}

function initPicsAdmin()
{
	btns[0] = new Image();
	btns[1] = new Image();
	btns[2] = new Image();
	btns[3] = new Image();
	btns[4] = new Image();
	btns[5] = new Image();
	
	btns[0].src = "../img/fahrzeuge1.gif";
	btns[1].src = "../img/fahrzeuge2.gif";
	btns[2].src = "../img/unserewerkstatt1.gif";
	btns[3].src = "../img/unserewerkstatt2.gif";
	btns[4].src = "../img/impressum1.gif";
	btns[5].src = "../img/impressum2.gif";
	
}

function initPicsCars()
{
	btns[6] = new Image();
	btns[6].src = "../img/btn_new_norm.gif";
	btns[7] = new Image();
	btns[7].src = "../img/btn_new_activ.gif";
	btns[8] = new Image();
	btns[8].src = "../img/btn_import_norm.gif";
	btns[9] = new Image();
	btns[9].src = "../img/btn_import_activ.gif";
	btns[10] = new Image();
	btns[10].src = "../img/btn_export_norm.gif";
	btns[11] = new Image();
	btns[11].src = "../img/btn_export_activ.gif";
	btns[12] = new Image();
	btns[12].src = "../img/btn_print_norm.gif";
	btns[13] = new Image();
	btns[13].src = "../img/btn_print_activ.gif";
}

function hover(num, on)
{
	if(btns[num*2 + on]){
		var menu_img = ie || opera? document.all['menu' + num] :
  			document.getElementById('menu' + num);
		menu_img.src = btns[num*2 + on].src;
	}
}

function openImage(img_id, width, height, subtitle){
	if(subtitle) height = height += 20;
	width += 2; height += 2;
	var params = "width=" + width + ",height=" + height + ",status=0,menubar=0,scrollbars=0,resizeable=0,toolbar=0,location=0,directories=0";
	client_win = window.open("tpl/img_zoom.php?img_id=" + img_id, "img_zoom", params);
	x_pos = self.screen.availWidth / 2 - width / 2;
	y_pos = self.screen.availHeight / 2 - height / 2;
	client_win.moveTo(x_pos, y_pos);
	client_win.focus();
}