function inithome(){

	preloadNavImagesHome();

	preloadButtons();

}



function preloadNavImagesHome(){

	var aboutImage = new Image();

	aboutImage.src = '/images/buttons/about-on.jpg';

	var adultImage = new Image();

	adultImage.src = '/images/buttons/residential-on.jpg';

	var teenImage = new Image();

	teenImage.src = '/images/buttons/blog-on.jpg';

	var learnImage = new Image();

	learnImage.src = '/images/buttons/information-on.jpg';

	var actionImage = new Image();

	actionImage.src = '/images/buttons/action-on.jpg';

	var mediaImage = new Image();

	mediaImage.src = '/images/buttons/resources-on.jpg';

}



function init(){

	preloadNavImagesSub();

	preloadButtons();

}



function preloadNavImagesSub(){

	var homeImage = new Image();

	homeImage.src = '/images/buttons/home-on.jpg';

	var aboutImage = new Image();

	aboutImage.src = '/images/buttons/about-on.jpg';

	var adultImage = new Image();

	adultImage.src = '/images/buttons/residential-on.jpg';

	var teenImage = new Image();

	teenImage.src = '/images/buttons/blog-on.jpg';

	var learnImage = new Image();

	learnImage.src = '/images/buttons/information-on.jpg';

	var actionImage = new Image();

	actionImage.src = '/images/buttons/action-on.jpg';

	var mediaImage = new Image();

	mediaImage.src = '/images/buttons/resources-on.jpg';

}



var overImage = '';



function swapover(which,istopnav){

	var src = which.firstChild.getAttribute('src');

	if (src.indexOf(".com") >=0){

		var parts = src.split(".com");

		src = parts[1];

	}

	

	if(istopnav == true){

		if (src.indexOf("-off") >= 0){

			var parts = src.split("-off");

			var preloadsrc = parts[0]+ "-over" + parts[1];

			which.firstChild.src=preloadsrc;

		}

		

		if (src.indexOf("-on") >= 0){

			overImage = which;

			overImageSrc = which.firstChild.src;

			

			var parts = src.split("-on");

			var preloadsrc = parts[0]+ "-over" + parts[1];

			which.firstChild.src=preloadsrc;

		}

	} else {

		if (src.indexOf("-off") >= 0){

			var parts = src.split("-off");

			var preloadsrc = parts[0]+ "-on" + parts[1];

			which.firstChild.src=preloadsrc;

		}	

	}

}



function swapback(which,istopnav){

	

		

		var src = which.firstChild.getAttribute('src');

		if (src.indexOf(".com") >=0){

			var parts = src.split(".com");

			src = parts[1];

		}

		if(istopnav == true){

			if (src.indexOf("-over") >= 0){

				var parts = src.split("-over");

				

				var preloadsrc;

				if (overImage == which){

					preloadsrc = parts[0]+ "-on" +parts[1];

				} else {

					preloadsrc = parts[0]+ "-off" +parts[1];

				}

				which.firstChild.src=preloadsrc;

			}

		} else {

			if (src.indexOf("-on") >= 0){

				var parts = src.split("-on");

				var preloadsrc = parts[0]+ "-off" +parts[1];

				which.firstChild.src=preloadsrc;

			}	

		}



}



document.getElementsByClassName = function(clsName){

	var retVal = new Array();

	var elements = document.getElementsByTagName("*");

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

		if(elements[i].className.indexOf(" ") >= 0){

			var classes = elements[i].className.split(" ");

			for(var j = 0;j < classes.length;j++){

				if(classes[j] == clsName)

					retVal.push(elements[i]);

			}

		}

		else if(elements[i].className == clsName)

			retVal.push(elements[i]);

	}

	return retVal;

}	



function preloadButtons(){

	var buttons = document.getElementsByClassName('imgbtnwover');

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

		var src = buttons[i].getAttribute('src');

	if (src.indexOf(".com") >=0){

		var parts = src.split(".com");

		src = parts[1];

	}

	

	if (src.indexOf(".") >= 0){

			var parts = src.split("-off");

			var preloadsrc = parts[parts.length-2]+ "-on" + parts[parts.length-1];

			var preloadImage = new Image();

			preloadImage.src = preloadsrc;

		}

	}

}