function getcss(cssfile){
	loadcss = document.createElement('link')
	loadcss.setAttribute("rel", "stylesheet")
	loadcss.setAttribute("type", "text/css")
	loadcss.setAttribute("href", cssfile)
	document.getElementsByTagName("head")[0].appendChild(loadcss)
}

if(screen.width > '600' && screen.width <= '800') {
	getcss('http://www.drawingconclusions.net/shop/style-800.css')
}

else if(screen.width > '800' && screen.width < '1280') {
	getcss('http://www.drawingconclusions.net/shop/style-1024.css')
}