function getObject(name) {
	if (document.getElementById) {obj=document.getElementById(name);}
	else if (document.layers) {obj=document.layers[name];}
	else if (document.all) {obj=document.all[name];}
	else {obj=false;}
	return obj;
}

function showObject(item){
	item.style.display = "block";
}

function hideObject(item){
	item.style.display = "none";
}

function showDiv(name){
	var divObj = getObject(name);
	divObj.style.display = "block";
}

function hideDiv(name){
	var divObj = getObject(name);
	divObj.style.display = "none";
}

function changeColorOver(elem, clr, brclr){
	elem.style.backgroundColor = brclr;
	elem.style.color = clr;
}

function changeColorOut(elem, clr, brclr){
	elem.style.backgroundColor = brclr;
	elem.style.color = clr;
} 



function openWindow(url, width, height){
	window.status='';
	var okno = window.open(url,"DisplayWindow","scrollbars=yes,toolbar=yes,directories=no,menubar=no,resizable=yes,width=" + width + ", height="+height);
	okno.moveTo((screen.availWidth/2)-(width/2),(screen.availHeight/2)-(height/2));
	okno.focus();
} 

function bookmarkSite(title, url){
	if (document.all)
		window.external.AddFavorite(url, title);
	else if (window.sidebar)
		window.sidebar.addPanel(title, url, "")
}