function open_popup(popup) {
switch(popup) {
	case "snowmobiles_2004_lineup":
		window.open('http://arcticcat.com/snowmobiles','Snowmobiles2005Lineup','scrollbars=yes,resizable=yes,width=604,height=512')
		break
	case "arcticcat_wallpapers":
		window.open('arcticcat_wallpapers.html','CatWallpapers','scrollbars=yes,resizable=yes,width=434,height=512')
		break	
	case "moore_wallpapers":
		window.open('moore_wallpapers.html','FuzionWallpapers','scrollbars=yes,resizable=yes,width=434,height=512')
		break
	case "tire_wear":
		window.open('tirewear.html','TireWear','scrollbars=yes,resizable=yes,width=400,height=600')
		break
	}
}