startList = function() {
	if (document.all&&document.getElementById) {
		navRoot = document.getElementById("nav");
		for (i=0; i<navRoot.childNodes.length; i++) {
			node = navRoot.childNodes[i];
			if (node.nodeName=="LI") {
				node.onmouseover=function() {
					this.className+=" over";
				}
				node.onmouseout=function() {
					this.className=this.className.replace(" over", "");
				}
			}
		}
	}
}
window.onload=startList;


// Returns the selected value
function returnText(thefield, value){
	if (thefield.value==""){
		thefield.value = value;}
}

// Clears the textfield
function clearText(thefield, value){
	if (value==thefield.value){
		thefield.value = "";}
}

/***********************************************
***  BUTTON ROLLOVER & PRELOAD  ****************
************************************************/

$(function(){
	// button rollover
	if ($('.imgBtn') != null) {
		$('.imgBtn').hover(function(){
				if(!$(this).is('.disabled'))
					$(this).attr("src", $(this).attr("src").replace(/^(.*?)(?:-hover)?(\..*?)$/i,'$1-hover$2'));
			},
			function(){
					if(!$(this).is('.disabled'))
						$(this).attr("src", $(this).attr("src").replace(/^(.*)-hover(\..*?)$/i, '$1$2'));
				});
	}
	// preload image rollovers
	if ($("img.imgBtn, img[src^='images/buttons/btn'], input[src^='images/buttons/btn']") != null) {
	    $("img.imgBtn, img[src^='images/buttons/btn'], input[src^='images/buttons/btn']").each(function(){
			    $("<img>").attr("src", $(this).attr("src").replace(/(btn-.*)(\..*?)/i, '$1-hover$2'));
		    });
	}
});