// for tab highlight
		function highlight(id, selId){
			if(selId!=id){
				document.getElementById(id).style.backgroundImage = "url(images/naviwholewhite.jpg)"; 
				document.getElementById("link"+id).style.color = "#0D1C56"; 
			}
		}	
		// for tab dehighlighting
		function deHighlight(id, selId){
			
			if(selId!=id){
				document.getElementById(id).style.backgroundImage = "url(images/navibluewhole.jpg)"; 
				document.getElementById("link"+id).style.color = "white"; 
			}
		}
		// for tab selected effect
		function isSelected(id){
				deHighlightAll();	
				var elem = document.getElementById(id);
				if(elem) {
					elem.style.backgroundImage = "url(images/naviwholewhite.jpg)";
					elem = document.getElementById("link"+id);
					if(elem) {
						elem.style.color = "#0D1C56";
					}
				}
		}
		function deHighlightAll(){
			deHighlight('index');
			deHighlight('services');
			deHighlight('profile');
			deHighlight('contact');
			deHighlight('technology');
		}	
		// for menu
		function showHide(x,y,b){
			if(b){
				document.getElementById(x).style.display='none';
				document.getElementById(y).style.display='';
			}else{
				document.getElementById(x).style.display='';
				document.getElementById(y).style.display='none';
			}
		}
		function highlightMenu(id, b){
			if(b){
				document.getElementById(id).style.backgroundColor = "#586CB5"; 
			} else {
				document.getElementById(id).style.backgroundColor = "#CBDBEA"; 
			}
			
		}