function showOne(id)
{   el = document.getElementById(id);   	
	
    if (el.style.display == 'none')
       { 
	  el.style.display = '';	
	 } else {
		el.style.display = 'none';
	 }
}

function podmianka(nr)
{
	var i;
	for (i = 1; i < 20; i++)
	{
		if (document.getElementById('content'+i) )
			document.getElementById('content'+i).style.display = 'none';
		if (document.getElementById('lista'+i) )
			document.getElementById('lista'+i).className = ' ';
	}

	document.getElementById('content'+nr).style.display = 'block';
	document.getElementById('lista'+nr).className = 'selected';
}

function edu_x(nr)
{	
	if(nr == 'edu1'){
		if (document.getElementById('edu1') )
			document.getElementById('edu1').style.display = 'none';
		if (document.getElementById('edu2') )
			document.getElementById('edu2').style.display = 'block';
	} else {
		if (document.getElementById('edu2') )
			document.getElementById('edu2').style.display = 'none';
		if (document.getElementById('edu1') )
			document.getElementById('edu1').style.display = 'block';
	}
}

function addEvent(obj, evType, fn)
{
    if (obj.addEventListener)
    { 
        obj.addEventListener(evType, fn, false); 
        return true; 
    } 
    else if (obj.attachEvent)
    { 
        var r = obj.attachEvent("on"+evType, fn); 
        return r; 
    }
    else
    { 
         return false; 
    } 
}

addEvent(window, 'load', overridegradient);

function overridegradient()
{
    var ftr = document.getElementById("msviFooter");
    if (ftr != null)
    {
        if (ftr.nextSibling.nextSibling.nodeName == 'TABLE')
        {
        ftr.nextSibling.nextSibling.style.display = 'none';
        }
    }
}

function changeBackGHappens(action){
	var module = $("md_action_happens");
	if(action == "on"){
		module.style.background = "url(/poland/heroeshappenhere/images/tabs/bg_md_action-happens_on.gif)";
		module.style.backgroundRepeat = "no-repeat";
	}
	else{
		module.style.background = "url(/poland/heroeshappenhere/images/tabs/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(); break;
		case '02' : $('product01').hide(); $('product02').show(); $('product03').hide(); break;
		case '03' : $('product01').hide(); $('product02').hide(); $('product03').show(); break;
	}	
}

function XshowProduct(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;
	}	
}


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('/poland/heroeshappenhere/images/tabs/tab_bw_ws2008.png', '/poland/heroeshappenhere/images/tabs/tab_bw_ws2008_on.png','mimg1');
setRollOver('/poland/heroeshappenhere/images/tabs/tab_bw_sql2008.png', '/poland/heroeshappenhere/images/tabs/tab_bw_sql2008_on.png','mimg2');

setRollOver('/poland/heroeshappenhere/images/tabs/tab_warto_wiedziec.png', '/poland/heroeshappenhere/images/tabs/tab_warto_wiedziec_on.png','mimg3');
setRollOver('/poland/heroeshappenhere/images/tabs/tab_bw_poznaj_nas.png', '/poland/heroeshappenhere/images/tabs/tab_poznaj_nas_on.png','mimg4');

setRollOver('/poland/heroeshappenhere/images/tabs/tab_faq.png', '/poland/heroeshappenhere/images/tabs/tab_faq_on.png','mimg5');
setRollOver('/poland/heroeshappenhere/images/tabs/tab_zarejestruj_sie.png', '/poland/heroeshappenhere/images/tabs/tab_zarejestruj_sie_on.png','mimg6');
setRollOver('/poland/heroeshappenhere/images/bg_md_action-happens.gif', '/poland/heroeshappenhere/images/bg_md_action-happens_on.gif', 'bg01');