String.prototype.trim = function() { return this.replace(/^\s+|\s+$/g, ""); };

function changeToolHilite(oldtool, newtool) {
	if (oldtool != newtool) {
		if (oldtool) {
			oldtool.src = oldtool.src.replace(/-hilite/,'');
		}
		newtool.src = newtool.src.replace(/.gif$/,'-hilite.gif');
	}
}

function makeTransBg(el, bgimgdf, sizingMethod, type, offset){
	var objs = el;
	if(!objs) return;
	if ($type(objs) != 'array') objs = [objs];
	if(!sizingMethod) sizingMethod = 'crop';
	if(!offset) offset = 0;
	var blankimg = siteurl + 'images/blank.png';
	objs.each(function(obj) {
		var bgimg = bgimgdf;
		if (obj.tagName == 'IMG') {
			//This is an image
			if (!bgimg) bgimg = obj.src;
			if (!(/\.png$/i).test(bgimg) || (/blank\.png$/i).test(bgimg)) return;

			obj.setStyle('height',obj.offsetHeight);
			obj.setStyle('width',obj.offsetWidth);
			obj.src = blankimg;
			obj.setStyle ('visibility', 'visible');
			obj.setStyle('filter', "progid:DXImageTransform.Microsoft.AlphaImageLoader(src="+bgimg+", sizingMethod='"+sizingMethod+"')");
		}else{
			//Background
			if (!bgimg) bgimg = obj.getStyle('backgroundImage');
			var pattern = new RegExp('url\s*[\(\"\']*([^\'\"\)]*)[\'\"\)]*');
			if ((m = pattern.exec(bgimg))) bgimg = m[1];
			if (!(/\.png$/i).test(bgimg) || (/blank\.png$/i).test(bgimg)) return;
			if (!type)
			{
				obj.setStyles({'background': 'none'});

				if(obj.getStyle('position')!='absolute' && obj.getStyle('position')!='relative') {
					obj.setStyle('position', 'relative');
				}

				obj.getChildren().each(function(el){
					if(el.getStyle('position')!='absolute' && el.getStyle('position')!='relative') 
					{
						el.setStyle('position', 'relative');
					}
					el.setStyle('z-index',2);
				});
				//Create background layer:
				var bgdiv = new Element('IMG');
				bgdiv.src = blankimg;
				bgdiv.width = obj.offsetWidth - offset;
				bgdiv.height = obj.offsetHeight - offset;
				bgdiv.setStyles({
					'position': 'absolute',
					'top': 0,
					'left': -obj.getStyle('padding-left').toInt()
				});

				bgdiv.className = 'TransBG';

				bgdiv.setStyle('filter', "progid:DXImageTransform.Microsoft.AlphaImageLoader(src="+bgimg+", sizingMethod='"+sizingMethod+"')");
				bgdiv.inject(obj, 'top');
				//alert(obj.innerHTML + '\n' + bgdiv.innerHTML);
			} else {
				obj.setStyle('filter', "progid:DXImageTransform.Microsoft.AlphaImageLoader(src="+bgimg+", sizingMethod='"+sizingMethod+"')");
			}
		}
	}.bind(this));
}

function isIE6() {
	version=0
	if (navigator.appVersion.indexOf("MSIE")!=-1){
		temp=navigator.appVersion.split("MSIE")
		version=parseFloat(temp[1])
	}
	return (version && (version < 7));
}
// <![CDATA[
var goto_top_type = -1;
var goto_top_itv = 0;

function goto_top_timer()
{
var y = goto_top_type == 1 ? document.documentElement.scrollTop : document.body.scrollTop;
var moveby = 35;

y -= Math.ceil(y * moveby / 100);
if (y < 0) {
y = 0;
}

if (goto_top_type == 1) {
document.documentElement.scrollTop = y;
}
else {
document.body.scrollTop = y;
}

if (y == 0) {
clearInterval(goto_top_itv);
goto_top_itv = 0;
}
}

function goto_top()
{
if (goto_top_itv == 0) {
if (document.documentElement && document.documentElement.scrollTop) {
goto_top_type = 1;
}
else if (document.body && document.body.scrollTop) {
goto_top_type = 2;
}
else {
goto_top_type = 0;
}

if (goto_top_type > 0) {
goto_top_itv = setInterval('goto_top_timer()', 50);
}
}
}

// ]]>
//addEvent - attach a function to an event
function oladdEvent(obj, evType, fn){ 
 if (obj.addEventListener){ 
   obj.addEventListener(evType, fn, false); 
   return true; 
 } else if (obj.attachEvent){ 
   var r = obj.attachEvent("on"+evType, fn); 
   return r; 
 } else { 
   return false; 
 } 
}

function equalHeight (){
	var obj1 = getElem ('td-box1');
	var maxh = 0;
	if (obj1) maxh = obj1.offsetHeight;
	if (obj1) obj1.parentNode.style.height = maxh + "px";
}

function getElem (id) {
	var obj = document.getElementById (id);
	if (!obj) return null;
	divs = obj.getElementsByTagName ('div');
	if (divs && divs.length > 1) return divs[divs.length - 1];
	return null;
}