var enrolID='Enrol';
var navStuck=new Array();
        function navHover(obj,stick){
            var nID=getHover_Neighbour(obj.id);
            var hN=getHoverOn_Neighbour(obj.id);
						
						$(obj).addClass('active');
        
            if (isNavStuck(getHover_Neighbour_Left(obj.id))) {obj.src='/images/nav_' + obj.id + '_both.gif';
            }else{obj.src='/images/nav_' + obj.id + '_on.gif';}

            if ((hN!='') && (nID!='')) document.getElementById(nID).src=hN;
            if (stick) navStuck[navStuck.length]=obj.id;
        }
        
        
        function navHoverOff(obj){
            if (isNavStuck(obj.id)){
							return 0;
						}

            if (isNavStuck(getHover_Neighbour_Left(obj.id))) {

                obj.src='/images/nav_'+ getHover_Neighbour_Left(obj.id)+'_on_right.gif';
            }else{
                obj.src='/images/nav_' + obj.id + '.gif';

            }
        	
            var hN=getHoverOff_Neighbour(obj.id);
            var nID=getHover_Neighbour(obj.id);
            if ((hN!='') && (nID!='')) document.getElementById(nID).src=hN;
						
        }
        
        function getHover_Neighbour(objID){
            switch (objID){
                case 'Home': return 'FAQ';break;
                case 'FAQ':return 'Begin';break;
                case 'Begin':return enrolID;break;
                //case enrolID:return 'Contact';break;
                //case 'Contact':return '';break;
								case enrolID:return 'About';break;
                case 'About':return 'Contact';break;
                case 'Contact':return '';break;
            }
        }
        function getHover_Neighbour_Left(objID){
            switch (objID){
                case 'Home': return '';break;
                case 'FAQ':return 'Home';break;
                case 'Begin':return 'FAQ';break;
                case enrolID:return 'Begin';break;
                //case 'Contact':return enrolID;break;
								case 'About':return enrolID;break;
								case 'Contact':return 'About';break;
            }
        }
        function getHoverOn_Neighbour(objID){
            var nID=getHover_Neighbour(objID);
            if (isNavStuck(nID)){return '/images/nav_'+ nID+'_both.gif';
            }else{return '/images/nav_'+ objID+'_on_right.gif';
            }
        }
        function getHoverOff_Neighbour(objID){
            var nID=getHover_Neighbour(objID);
            if (isNavStuck(nID)){return '/images/nav_'+ nID+'_on.gif';
            }else{return '/images/nav_'+ nID+'.gif';
            }
        }
        
        function hover(obj){$(obj).addClass('hover');}
        function hoverOff(obj){$(obj).removeClass('hover');}
        function isNavStuck(objID){
            var i;
            for (i=0;i<navStuck.length;i++){
                if (navStuck[i]==objID) return true;
            }
            return false;
        }