var do_background_image = 0;

function start_background_table(img_url)
{
	// Sets the global variable do_background_image to 1 if the
	// page background as defined in the .normal class is white

	
	if (navigator.appName.indexOf('MSIE')!=-1) {
	
	} else {
	
if (window.parent!=window) {
} else {

		do_background_image=1;
		
		for ( var i = 0; i < document.styleSheets.length; i++ )
		{
			for (var j=0; j<document.styleSheets[i].rules.length; j++) 
			{
				if (document.styleSheets[i].rules[j].selectorText=="BODY") {
					if (document.styleSheets[i].rules[j].style.backgroundColor!='white' && document.styleSheets[i].rules[j].style.backgroundColor!='#FFFFFF' && document.styleSheets[i].rules[j].style.backgroundColor!='#ffffff') {
						do_background_image = 0;
					}
				}
			}
		}
	}
	}

	if (do_background_image==1) {
		document.write('<table width="100%%" border="0" cellpadding="0" cellspacing="0" height="100%%">');
		document.write('<tr><td valign="top" width="100%%" background="' + img_url + '">');
	}

}

function end_background_table()
{
	if (do_background_image==1) {
		document.write('</td></tr></table>');
	}
}