if (document.images) {

	var ButtonOff_1 = new Image;
	ButtonOff_1.src = "Images/home_red.jpg"; 

	var ButtonOn_1 =  new Image;
	ButtonOn_1.src = "Images/home.jpg";

	var ButtonOff_2 = new Image;
	ButtonOff_2.src = "Images/menu_red.jpg"; 

	var ButtonOn_2 =  new Image;
	ButtonOn_2.src = "Images/menu.jpg";
	
	var ButtonOff_3 = new Image;
	ButtonOff_3.src = "Images/about_red.jpg"; 

	var ButtonOn_3 =  new Image;
	ButtonOn_3.src = "Images/about.jpg";

	var ButtonOff_4 = new Image;
	ButtonOff_4.src = "Images/location_red.jpg"; 

	var ButtonOn_4 =  new Image;
	ButtonOn_4.src = "Images/location.jpg";
	
	var ButtonOff_5 = new Image;
	ButtonOff_5.src = "Images/cooking.jpg"; 

	var ButtonOn_5 =  new Image;
	ButtonOn_5.src = "Images/cooking.jpg";
	}


	function showButton(placeholder, imageObject){ 
		if (document.images){
			document.images[placeholder].src = eval( imageObject + ".src" )
		}
	}