/*Detects  the OS ans call on the apporpriate stylesheet for the iframe*/
	var sStyleFile;
	if ( navigator.appVersion.indexOf("Mac")!=-1 ) {
		sStyleFile = "covermenu_formac.css"
	}
	else {
		sStyleFile = "covermenu.css"
	}
	document.writeln('<link rel="stylesheet" type="text/css" href="cssdropdown/' + sStyleFile + '">');