// detect framesets
if(top.location != location)
	top.location = location;



function areaHide(areaName) {
	if (document.getElementById) {
		document.getElementById(areaName).style.visibility = "hidden";
	}
}


function areaShow(areaName) {
	if (document.getElementById) {
		document.getElementById(areaName).style.visibility = "visible";
	}
}


function areaHideBlock(areaName) {
	if (document.getElementById) {
		document.getElementById(areaName).style.display = "none";
	}
}


function areaShowBlock(areaName) {
	if (document.getElementById) {
		document.getElementById(areaName).style.display = "block";
	}
}

function showPopup(popupFile,popupWidth,popupHeight) {

	// shows a popup window

	// calculate the left + top position
	var popupLeft = (screen.width  - popupWidth) / 2;
	var popupTop  = (screen.height - 30 - popupHeight) / 2;  // -30 due to taskbar

	var properties = "left=" + popupLeft + ",top=" + popupTop + ",toolbar=no,dependent=yes,";

	properties += "hotkeys=no,width=" + popupWidth + ",height=" + popupHeight + ",";
	properties += "scrollbars=yes";
	properties  = window.open(popupFile,"popup",properties);
}

function loadingFinished() {

}

function setCursor(cursorName) {

	document.getElementsByTagName("body")[0].style.cursor = cursorName;
}

function showWaitSplash(waittext, formid) {

	setOpacity('waitSplash', 0);
	areaShowBlock("waitSplash");

	document.getElementById("waitSplash").innerHTML =
		'<p>'+waittext+'</p>';

	if(typeof document.getElementById("waitSplash").style.MozOpacity != undefined
	   && !document.all) {
		var i;
		for(i=0; i<=20; i++) {
			window.setTimeout("setOpacity('wholepage', "+((20-i)/20)+");",50*i + 0);
			window.setTimeout("setOpacity('waitSplash', "+(i/20)+");",50*i + 0);
		}
	}
	else {
		areaHideBlock("wholepage");
	}

	window.setTimeout("areaHide('wholepage');", 50*20);
	window.setTimeout("document.getElementById('" + formid + "').submit();", 2000);

	return;
}

function setOpacity(objectid, opacity) {

	if(typeof document.getElementById(objectid).style.MozOpacity != undefined
	   && !document.all)
		document.getElementById(objectid).style.MozOpacity = opacity;
	document.getElementById(objectid).style.opacity = opacity;
	
}

function goToTop3() {
    var x1 = x2 = x3 = 0;
    var y1 = y2 = y3 = 0;

    if (document.documentElement) {
        x1 = document.documentElement.scrollLeft || 0;
        y1 = document.documentElement.scrollTop || 0;
    }

    if (document.body) {
        x2 = document.body.scrollLeft || 0;
        y2 = document.body.scrollTop || 0;
    }

    x3 = window.scrollX || 0;
    y3 = window.scrollY || 0;

    var x = Math.max(x1, Math.max(x2, x3));
    var y = Math.max(y1, Math.max(y2, y3));

    if(y == 0)
		return;

    if(y < 100) {
		scrollTo(0,0);
		return;
	}

	for(var i = 0; i <= y; i+=Math.floor(y/80))
		window.setTimeout('window.scrollTo(0,'+(((-1*Math.cos((y-i)/y*Math.PI)+1)/2)*y)+');', i/3);
}

var goToTopFunction = goToTop3;