// var images = new Array("images/hover1.jpg", "images/hover2.jpg", "images/hover3.jpg");
// var previews = new Array();
// var i = 0;
// 
// for(j=0; j<images.length; j++){
// 	previews[j] = new Image(356,342); 
// 	previews[j].src = images[j];
// }
// 
// var time_on = true;
// 
// window.onload=function(){
// 	previewTimedSwitch();
// }

function previewSwitch(image){
	time_on = false;								
	document.getElementById('preview').style.backgroundImage = 'url("' + unescape(image) + '")';
}

function previewSwitchTimed(image){				
	if(time_on == true){											
		document.getElementById('preview').style.backgroundImage = 'url("' + unescape(image) + '")';				
		previewTimedSwitch();
	}		
}

function restartTimer(){
	time_on = true;	
	previewSwitchTimed();
}

function previewTimedSwitch(){			
	
	if(i + 1 < previews.length){
		i = i + 1;
	}else{
		i = 0;
	}			
	
	var image = previews[i].src;
		
	time(2500, 'previewSwitchTimed("' + escape(image) + '")');
	
}

function time(n, func) {			
	setTimeout(func, n);	
}