// JavaScript Document


function SwapImage(ImageName,ImageFile){
	Image1=new Image(0,0);
	Image1.src = ImageFile;
	document[ImageName].src = Image1.src; return true;
}

function getWindowHeight() {
	var windowHeight = 0;
	if (typeof(window.innerHeight) == 'number') {
		windowHeight = window.innerHeight;
	}
	else {
		if (document.documentElement && document.documentElement.clientHeight) {
			windowHeight = document.documentElement.clientHeight;
		}
		else {
			if (document.body && document.body.clientHeight) {
				windowHeight = document.body.clientHeight;
			}
		}
	}
	return windowHeight;
}

function setFooter() {
	if (document.getElementById) {
		var windowHeight = getWindowHeight();
		if (windowHeight > 0) {
			var contentHeight = document.getElementById('top').offsetHeight;
			var footerElement = document.getElementById('footer');
			var footerHeight  = footerElement.offsetHeight;
			if (windowHeight - (contentHeight + footerHeight) >= 0) {
				footerElement.style.position = 'absolute';
				footerElement.style.top = (windowHeight - footerHeight) + 'px';
			}
			else {
				footerElement.style.position = 'static';
			}
		}
	}
}
	window.onload = function() {
		setFooter();
	}
	window.onresize = function() {
		setFooter();
}

function iFrameHeight() {
	var h = 0;
	if ( !document.all ) {
	h = document.getElementById('blockrandom').contentDocument.height;
	document.getElementById('blockrandom').style.height = h + 60 + 'px';
	} else if( document.all ) {
	h = document.frames('blockrandom').document.body.scrollHeight;
	document.all.blockrandom.style.height = h + 20 + 'px';
	}
}