// JavaScript Document

var ns4 = (document.layers) ? true : false;
var ie4 = (document.all && !document.getElementById) ? true : false;
var ie5 = (document.all && document.getElementById) ? true : false;
var ns6 = (!document.all && document.getElementById) ? true : false;

//var idDelay;

window.onload = preload;
window.status = 'Bitus - bitumiczne pokrycia dachowe';

function preload()
{
if(document.images) {
var imgmenu = new Object();	
imgmenu["menu1"] = new Image();
imgmenu["menu1"].src = "menu_on_01.png"
imgmenu["menu2"] = new Image();
imgmenu["menu2"].src = "menu_on_02.png"
imgmenu["menu3"] = new Image();
imgmenu["menu3"].src = "menu_on_03.png"
imgmenu["menu4"] = new Image();
imgmenu["menu4"].src = "menu_on_04.png"
imgmenu["menu5"] = new Image();
imgmenu["menu5"].src = "menu_on_05.png"
}	
}

function dynamic_menu_on(obj, y_stop, menu_nr, y_start)
{
	
switch (menu_nr){
 case 01:
 if(document.images) document.menu.src='menu_on_01.png';
 break;
 case 02:
 if(document.images) document.menu.src='menu_on_02.png';
 break;
 case 03:
 if(document.images) document.menu.src='menu_on_03.png';
 break;
 case 04:
 if(document.images) document.menu.src='menu_on_04.png';
 break;
 case 05:
 if(document.images) document.menu.src='menu_on_05.png';
 break;
 default:
 break;
}

if ((menu_nr==2)){

if ((ie4 || ie5)){ 
document.all[obj].style.top= y_stop + "px";
document.all[obj].style.zIndex= 5;
}

else if (ns4){
document.layers[obj].height= 110 + "px";
document.layers[obj].top= y_stop + "px";
document.layers[obj].zIndex= 5;
}

else if (ns6){
document.getElementById(obj).style.height= 110 + "px";
document.getElementById(obj).style.top= y_stop + "px";
document.getElementById(obj).style.zIndex= 5;
}

//delay_menu();

}
}

//function delay_menu(){
//clearTimeout(idDelay);	
//idDelay = setTimeout("dynamic_menu_off('menu2',90, 2, 60)", 1000);
//}



function dynamic_menu_off(obj, y_stop, menu_nr, y_start)
{

if(document.images) document.menu.src='menu.png';

if ((menu_nr==2)){	
	
if ((ie4 || ie5)){

document.all[obj].style.top= y_start + "px";
document.all[obj].style.zIndex= 3;
}

else if (ns4){

document.layers[obj].top= y_start + "px";
document.layers[obj].zIndex= 3;
}

else if (ns6){ 
document.getElementById(obj).style.top= y_start + "px";
document.getElementById(obj).style.zIndex= 3;
}
}
}

function dynamic_menumini_on(obj)
{
if ((ie4 || ie5)){

document.all[obj].style.backgroundColor="#DDDDDD";
}

else if (ns4){

document.layers[obj].backgroundColor= "#DDDDDD";
}

else if (ns6){ 
document.getElementById(obj).style.backgroundColor= "#DDDDDD";
}	
}

function dynamic_menumini_off(obj)
{
if ((ie4 || ie5)){

document.all[obj].style.backgroundColor="#CCCCCC";
}

else if (ns4){

document.layers[obj].backgroundColor= "#CCCCCC";
}

else if (ns6){ 
document.getElementById(obj).style.backgroundColor= "#CCCCCC";
}	
}