function gE(el) {
	return document.getElementById(el);
}

var minsize = 8;
var maxsize = 20;

function changeFontSize(size, el) {	
	var defaultSize = 14;
	//gE('articleBodyID').style.fontSize = size + 'px';
	if(!el) {
			if(gE('articleBodyID'))
					oChild = gE('articleBodyID');
			else 
					oChild = null;
	} else {
			oChild = el;
	}
	
	if(oChild && oChild.style) {
			oChild.style.fontSize = 
						((oChild.style.fontSize) 
							? 
								(
									(minsize < (parseInt(oChild.style.fontSize)*1 + size*1) && (parseInt(oChild.style.fontSize)*1 + size*1) < maxsize) 
									? 
									parseInt(oChild.style.fontSize)*1 + size*1 
									: 
									parseInt(oChild.style.fontSize)
								) 
							: defaultSize*1 + size*1) + 'px';
	}
	if(oChild && oChild.hasChildNodes()) {
			var children = oChild.childNodes;
			for (var i = 0; i < children.length; i++) {
					changeFontSize(size, children[i]);
			}
	} else {
			return;
	}
}

function printerFriendly(urlToOpen) {
		var x = (screen.width-600)/2, y = (screen.height-400)/2;
	  OpenWin = this.open(urlToOpen, "CtrlWindow", "width=600,height=400,toolbar=no,menubar=yes,location=no,scrollbars=yes,resizable=no, screenX="+x+", screenY="+y+", left="+x+", top="+y);
}

function recommend(urlRecommandForThisArticle) {
		var x = (screen.width-380)/2, y = (screen.height-340)/2;
	  OpenWin = this.open(urlRecommandForThisArticle, "CtrlWindow", "width=450,height=450,toolbar=no,menubar=no,location=no,scrollbars=no,resizable=0,status=0, screenX="+x+", screenY="+y+", left="+x+", top="+y);
}

function toggleTree(el, pID) {
	var elements = $('stanga').select('dd[class="menuLevel'+pID+'"]');
	if(elements.length) {
		elements.each(function(elem) {
			if(elem.getStyle('display') == 'none') {
				Effect.SlideDown(elem, {queue: 'end', duration: 0.1});
			} else {
				closeTree(elem);
			}
		});
	} else {
		window.location = el.href;
	}
}

function closeTree(elem) {
	var elemPID = elem.id.replace('menuLevel', '');
	var sElements = $('stanga').select('dd[class="menuLevel'+elemPID+'"]');
	if(sElements && sElements.length) {
		sElements.each(function(_elem) {
			closeTree(_elem);
		});
	}
	if(elem.getStyle('display') != 'none')
		Effect.SlideUp(elem, {queue: 'end', duration: 0.1});
}