function pic_onclick(theSrc) {
	var mainpicturestore
	browserMake = navigator.appName.charAt(0) ;
	if(browserMake == 'M')	{
		mainpicturestore = mainpic.src;
		mainpic.src = theSrc.src;
		theSrc.src = mainpicturestore;
	} else	{
		mainpicturestore = document.mainpic.src;
		document.mainpic.src = theSrc.src;
		theSrc.src = mainpicturestore;
	}
}