if (screen.width<=600 && screen.height<=400)
{
	parent.frames['mainFrame'].location ="http://www.fourdfive.com/ikea/sleeping/mini/main.html";
	parent.frames['mainFrame'].noResize=false;
}
else
{
	parent.frames['mainFrame'].location ="http://www.fourdfive.com/ikea/sleeping/s3/index.html";
	parent.frames['mainFrame'].noResize=false;
}