var imgSrc="images/"
if(document.images){
	image1on=new Image()
	image1on.src=imgSrc+"popups/prevbutton_over.jpg"
	image2on=new Image()
	image2on.src=imgSrc+"popups/nextbutton_over.jpg"
	
	image1off=new Image()
	image1off.src=imgSrc+"popups/prevbutton.jpg"
	image2off=new Image()
	image2off.src=imgSrc+"popups/nextbutton.jpg"
}
function changeImages(){
	if(document.images){
		for(var i=0;i<changeImages.arguments.length;i+=2){
			document[changeImages.arguments[i]].src=eval(changeImages.arguments[i+1]+".src")
		}
	}
}