function Hide(element) {
				if(element) {
					element.style.visibility = "hidden";
					element.style.display = "none";
				} 
			}

function HideBanner() {
				var eleArray = document.getElementsByTagName('div');
				for(var i = 0; i < eleArray.length; i++) {
					if(!eleArray[i] || !eleArray[i].id) {
						continue;
					}
		
					var id = eleArray[i].id;
					if(id && id.indexOf("side") != -1){
						Hide(eleArray[i]);
											
						// hide all the iframes nested in the Banner
						var arrIframe = eleArray[i].getElementsByTagName('iframe');
						if(!arrIframe)
							return;
						
						for(var j = 0; j < arrIframe.length; j++) {
							Hide(arrIframe[j]);
						}
					}
				}
			}