if (screen.availWidth < 1000) { 
//alert(screen.availWidth + '800');
document.write ('<link rel="stylesheet" type="text/css" href="../navigation/ClickShowHideMenu_800.css">');
}
else { 
	// alert(screen.availWidth + '1024');
document.write ('<link rel="stylesheet" type="text/css" href="../navigation/ClickShowHideMenu.css">'); 
}