/* supporting functions for maschinen-prattes.at 
 
	 (c) abaton GmbH
	 (w) Herbert Sojnik
	 
*/


browser_NS4 = (document.layers) ? 1 : 0;
browser_IE4 = (document.all) ? 1 : 0;


var info_texte_namen = new Array ("images/txt_willkommen.gif", "images/txt_leistungen.gif", "images/txt_gebrauchte.gif", "images/txt_produkte.gif", "images/txt_anfragen.gif", "images/txt_kontakt.gif");
var info_texte = new Array();

var left = new Image();
left.src = "images/marker_links.gif";

var right = new Image();
right.src = "images/marker_rechts.gif";

var left_out = new Image();
left_out.src = "images/links.gif";

var right_out = new Image();
right_out.src = "images/rechts.gif";

function preloadTexte() 
{ 
  	var i;

	// Preload Texte
	for (i = 0; i < info_texte_namen.length; i++) 
	{ 
		info_texte[i] = new Image();
		info_texte[i].src = info_texte_namen[i];
	}
}


function swap_byname (target, name)
{
   if (document.images) document.images[target].src = name;		
}


function button_out (nr)
{
	if (nr != aktiv_button) 
	{	
		swap_byname ('info', info_texte_namen[aktiv_button-1]); // info rücksetzen
	} else {
		return;
	}
	
	if (info_texte[nr-1])
	{ 	
		swap_byname ('m'+(nr)+'_links', left_out.src );   // linker marker
		swap_byname ('m'+(nr)+'_rechts', right_out.src );// rechter marker
	}
}

function button_over (nr)
{	
	if (info_texte[nr-1])
	{ 
		swap_byname ('info', info_texte_namen[nr-1]); // info anzeigen
		swap_byname ('m'+(nr)+'_links', left.src );   // linker marker
		swap_byname ('m'+(nr)+'_rechts', right.src );// rechter marker
	}
}

function button_click (nr)
{	
}

function initRollOver() 
{
	var tmp = aktiv_button;
	aktiv_button = 0;
	button_over (tmp);
	aktiv_button = tmp;
}