function changeBackGHappens(action){
	var module = $("md_action_happens");
	if(action == "on"){
		module.style.background = "url(Images/bg_md_action-happens_on.gif)";
		module.style.backgroundRepeat = "no-repeat";
	}
	else{
		module.style.background = "url(Images/bg_md_action-happens.gif)";
		module.style.backgroundRepeat = "no-repeat";
	}
}


function showLearn(idLayer){
	switch(idLayer){
		case 'learn01' : $('learn01').show(); $('learn02').hide(); $('learn03').hide(); $('learn04').hide(); break;
		case 'learn02' : $('learn01').hide(); $('learn02').show(); $('learn03').hide(); $('learn04').hide(); break;
		case 'learn03' : $('learn01').hide(); $('learn02').hide(); $('learn03').show(); $('learn04').hide(); break;
		case 'learn04' : $('learn01').hide(); $('learn02').hide(); $('learn03').hide(); $('learn04').show(); break;
	}	
}

function showProduct(id){
    switch(id){
        case '01' : $('product01').show(); $('product02').hide(); $('product03').hide(); $('compareWinLinux').show(); break;
        case '02' : $('product01').hide(); $('product02').show(); $('product03').hide(); $('compareWinLinux').show(); break;
        case '03' : $('product01').hide(); $('product02').hide(); $('product03').show(); $('compareWinLinux').show(); break;
    }
}

function showProduct2(id){
    switch(id){
        case '01' : $('product01').show(); $('product02').hide(); $('product03').hide(); break;
        case '02' : $('product01').hide(); $('product02').show(); $('product03').hide(); break;
        case '03' : $('product01').hide(); $('product02').hide(); $('product03').show(); break;
    }
}


var aRollOver=new Array();
var aRollOut=new Array();

function setRollOver(outImgSrc, overImgSrc, idImage) {
	if (!document.images) return;
	if (idImage == null) idImage = document.images[document.images.length-1].name;
	
	aRollOver[idImage] = new Object;
	aRollOver[idImage].overImg = new Image;
	aRollOver[idImage].overImg.src = overImgSrc;
	aRollOver[idImage].overImg.id = idImage;
	
	aRollOut[idImage] = new Object;
	aRollOut[idImage].outImg = new Image;
	aRollOut[idImage].outImg.src = outImgSrc;
	aRollOut[idImage].outImg.id = idImage;
}

function rollOut(idImage){
	if (! document.images) return;
	if (! aRollOut[idImage]) return;
	$(idImage).src = aRollOut[idImage].outImg.src;
}

function rollOver(idImage) {
	if (! document.images) return;
	if (! aRollOver[idImage])return;
	$(idImage).src = aRollOver[idImage].overImg.src;
}

setRollOver('/App_Themes/Default/Images/start-off.png', '/App_Themes/Default/Images/start-on.png', 'Img0');
setRollOver('/App_Themes/Default/Images/o-firmie-kontakt-off.png', '/App_Themes/Default/Images/o-firmie-kontakt-on.png', 'Img1');
setRollOver('/App_Themes/Default/Images/projektowanie-off.png', '/App_Themes/Default/Images/projektowanie-on.png', 'Img2');
setRollOver('/App_Themes/Default/Images/reklama-off.png', '/App_Themes/Default/Images/reklama-on.png', 'Img3');
setRollOver('/App_Themes/Default/Images/fotografia-off.png', '/App_Themes/Default/Images/fotografia-on.png', 'Img4');
setRollOver('/App_Themes/Default/Images/architektura-off.png', '/App_Themes/Default/Images/architektura-on.png', 'Img5');