var subTimer=0;
			var oldTab;
			var geefObj;

			function navigation()
			{
			}
				navigation.prototype.set=function(topicId)
				{
					var 	navObj=document.getElementById("navTopics");
						navObj.onmouseover=this.mouseOver;
						
					this.getSub(topicId);
				}

				navigation.prototype.getSub=function(topicId)
				{
					var 	navObj=document.getElementById("navTopics");
					var	topicCounter=1;
					
					for(i=0; i<navObj.childNodes.length; i++)
					{
						if(navObj.childNodes[i].nodeType == 1)
						{
							if(topicCounter==topicId)
							{
								for(j=0; j<navObj.childNodes.length; j++)
									if(navObj.childNodes[i].childNodes[j].nodeName=="A")
									{
										this.setSub(navObj.childNodes[i].childNodes[j]);
										break;
									}
								break;
							}
							topicCounter++;
						}
					
					}
				}
				
				navigation.prototype.mouseOver=function(e)
				{
					if (!e) var e = window.event;

					if (e.target) 
						targ = e.target;
					else if (e.srcElement) 
						targ = e.srcElement;
					
					if(subTimer)
						clearTimeout(subTimer)
						
					subTimer = setTimeout("delay(targ);", 300);
				}
				
				navigation.prototype.setSub=function(targ)
				{
					var 	navBarObj=document.getElementById("navBar");
					var 	oldSubObj=document.getElementById("subShowed");

					if(targ.nodeName=="A")
					{
						if(targ.className=="geef")
							geefObj=targ;
					
						if(oldTab)
						{
							oldTab.style.background="transparent";
							oldTab.style.padding="0px 0px 0px 10px";
							oldTab.style.textDecoration="none";
							
							//alert(targ.className)
							
							if(oldTab==geefObj && geefObj)
								oldTab.style.color="#FFFF33";
							else
								oldTab.style.color="#FFF";
						}
						
						oldTab=targ;
						
						targ.style.textDecoration="underline";
						targ.style.background="#D6EEF6";
						targ.style.padding="5px 10px 12px 10px";
						targ.style.color="#545034";
						targ.onmouseout=function(){ this.style.textDecoration="none"; };
				
					
						if(oldSubObj)
							oldSubObj.parentNode.removeChild(oldSubObj);
					
						for(i=0; i<targ.parentNode.childNodes.length; i++)
							if(targ.parentNode.childNodes[i].nodeName=="UL")
							{
								targ.style.textDecoration="none";
								targ.style.cursor="default";
							
								var 	subObj=targ.parentNode.childNodes[i].cloneNode(true);
									subObj.style.display="block";
									subObj.style.visibility="hidden";
									subObj.id="subShowed";
								
									navBarObj.appendChild(subObj);
								
								//Bereken breedte submenu
								var menuWidth=-15;
								for(j=0; j<subObj.childNodes.length; j++)
								{
									if(subObj.childNodes[j].nodeType==1)
									{
										menuWidth+=(subObj.childNodes[j].offsetWidth + 16);
										
										if(navigator.appName.toLowerCase()!="netscape")
											menuWidth-=3;
									}
								}
								
								if(navigator.appName.toLowerCase()=="netscape")
									var 	cmdLeft=(targ.offsetLeft-70);
								else
								{
									menuWidth-=5;	
									var 	cmdLeft=(targ.offsetLeft-14);
								}
								
								var 	cmdWidth=targ.offsetWidth;
								var	subLeft=(((cmdLeft)+(cmdWidth/2))-((menuWidth)/2)) + 10;
								
								if(subLeft < 0)
									subLeft=0;
								else if((menuWidth+subLeft) > 770)
									subLeft=(770-menuWidth);
									
								subObj.style.paddingLeft=subLeft+"px";
								subObj.style.visibility="visible";

								break;
							}
					}
				}
			
			function delay(targ)
			{
				var navObj=new navigation();
				navObj.setSub(targ);
			}