function PrintBgImg(id)
{
	var BgImgClass = 'BgImg0'; 
	var r=Math.random()
	if (r>0.2) 
		BgImgClass = 'BgImg1'; 
	if (r>0.4) 
		BgImgClass = 'BgImg2'; 
	if (r>0.6) 
		BgImgClass = 'BgImg3'; 
	if (r>0.8) 
		BgImgClass = 'BgImg4';


	var divPage = '<div id="[id]" class="Page [BgImgClass]">';
	document.write( divPage.replace( "[BgImgClass]",BgImgClass ).replace( "[id]",id ) );
					
}