var win = null;
			function NewWindow(mypage,myname,w,h,scroll){
				LeftPosition = (screen.width) ? (screen.width-w)/2 : 0;
				TopPosition = (screen.height) ? (screen.height-h)/2 : 0;
				settings =
				'height='+h+',width='+w+',top='+TopPosition+',left='+LeftPosition
				win = window.open(mypage,myname,settings)
			}
		
			function getElementsByClassName(className, tag, elm){
				var testClass = new RegExp("(^|\\s)" + className + "(\\s|$)");
				var tag = tag || "*";
				var elm = elm || document;
				var elements = (tag == "*" && elm.all)? elm.all : elm.getElementsByTagName(tag);
				var returnElements = [];
				var current;
				var length = elements.length;
				for(var i=0; i<length; i++){
					current = elements[i];
					if(testClass.test(current.className)){
						returnElements.push(current);
					}
				}
				return returnElements;
			}
			
			function showBubble(id, id_prev){
				var bubble = document.getElementById('bubble_'+id);
				var bullet = document.getElementById('bullet_'+id);
				var head = document.getElementById('Header');

				if(id_prev){
					var bubbleInfo = document.getElementById('bubbleInfo_'+id_prev);
					if(navigator.appName == 'Microsoft Internet Explorer'){
						bubble.style.left = head.offsetLeft + bubbleInfo.offsetWidth + bubbleInfo.offsetLeft + 10 + 'px';
						bullet.style.left = head.offsetLeft + bubbleInfo.offsetWidth + bubbleInfo.offsetLeft + 10 + 'px';
					}else{
						bubble.style.left = bubbleInfo.offsetWidth + bubbleInfo.offsetLeft + 10 + 'px';
						bullet.style.left = bubbleInfo.offsetWidth + bubbleInfo.offsetLeft + 10 + 'px';
					}
				}else{
					bubble.style.left = document.getElementById('header').offsetLeft + 10 +'px';
					bullet.style.left = document.getElementById('header').offsetLeft + 10 +'px';
					//bullet.style.left = '10px';
				}	
				bubble.style.visibility = "visible";
				bullet.style.visibility = "visible";
			}
			
			function hideBubble(id){
				var bubble = document.getElementById('bubble_'+id);
				var bullet = document.getElementById('bullet_'+id);
				bubble.style.visibility = "hidden";
				bullet.style.visibility = "hidden";
			}