function checkFooter() {

		// MAKE EACH SIDE THE SAME HEIGHT //

		var leftcolumn = document.getElementById("leftcolumn").offsetHeight;
		var rightcolumn = document.getElementById("rightcolumn").offsetHeight;
		
		if(leftcolumn > rightcolumn) {
			document.getElementById("rightcolumn").style.height = leftcolumn + "px";
		} else if(rightcolumn > leftcolumn) {
			document.getElementById("leftcolumn").style.height = rightcolumn + "px";
		}

/*

		windowheight = window.innerHeight;
		pageheight = document.getElementById("pagewrapper").offsetHeight;
		footerheight = document.getElementById("footerwrapper").offsetHeight;

		if (!windowheight) { 
			windowheight = document.documentElement.clientHeight;
		}

		if (!windowheight || windowheight == 0) { 
			windowheight = document.body.clientHeight;
			pageheight = document.getElementById("pagewrapper").offsetHeight;
		}

		difference = windowheight - pageheight;

		if(difference > 0) {
			pageheight = pageheight - footerheight;
			document.getElementById('pagewrapper').style.height = pageheight + difference + "px";
		} else if (difference < 0) {
			pageheight = pageheight - footerheight;
			if((pageheight + difference) > 650) {
				document.getElementById('pagewrapper').style.height = pageheight + difference + "px";
			}
		}

*/

}


// STORE REQUIRED ACTIONS IN VARIABLE //

var W3CDOM = (document.getElementsByTagName);

function init() {

	// IF ACTIONS ARE NOT SUPPORTED STOP SCRIPT //
	if (!W3CDOM) return;

	var menu = document.getElementById('menu');

	if(menu) {

		var litags = menu.getElementsByTagName('li');

		for (var i=0;i<litags.length;i++) {

			litags[i].onmouseover = mousegoesover;
			litags[i].onmouseout = mousegoesout;

		}

	}

}


function mousegoesover() {
	this.style.cursor = "pointer";
	this.style.backgroundColor = "red";
}

function mousegoesout() {
	this.className = "nav";
}

function showimage(url) {
	document.getElementById("imagedisplay").src = url;
	document.getElementById("imagedisplay").style.display = "inline";
	document.getElementById("imagecover").style.display = "block";
}

function addClass(object,classname) {
	object.className += " "+classname;
}

function removeClass(object,classname) {
	classes = object.className.split(' ');
	var i; var newclass = "";
	for (i=0;i<classes.length;i++) {
		if (classes[i] != classname) newclass += " "+classes[i];
	}
	object.className = newclass;
}