var normalBrowser = true;
	var pics = new Array();
	var objCount = 0;
	function preload(name_pic, first_pic, second_pic){
		if(normalBrowser){
			pics[objCount] = new Array(5);
			pics[objCount][0] = new Image();
			pics[objCount][0].src = first_pic;
			pics[objCount][1] = new Image;
			pics[objCount][1].src = second_pic;
			pics[objCount][2] = name_pic;
			objCount ++;
		}
	}
	
	function highlite_on(name_pic){
		if (normalBrowser){
			for (i = 0; i < objCount; i++){
				if (document.getElementById(pics[i][2]) != null){
					if (name_pic != pics[i][2]){
						//document.images[pics[i][2]].src = pics[i][0].src;
					} 
					else {
						document.getElementById(pics[i][2]).src = pics[i][1].src;
					}
				}
			}
		}
	}
	
	function highlite_off(name_pic){
		if (normalBrowser){
			for (i = 0; i < objCount; i++){
				if (document.getElementById(pics[i][2]) != null){
					if (name_pic != pics[i][2]){
					} else {
						document.getElementById(pics[i][2]).src = pics[i][0].src;
					}
				}
			}
		}
	}
 	
	preload("m1", "/images/auto.jpg", "/images/auto1.jpg");
	preload("m2", "/images/residential.jpg", "/images/residential1.jpg");
	preload("m3", "/images/commercial.jpg", "/images/commercial1.jpg");