function opendescription (url) {
	window.open(url, "description", "width=640,height=480,left=100,top=100,resizable=yes,scrollbars=yes,statusbar=yes,toolbar=no");
}

function opengallery (url) {
	window.open(url, "galleries", "width=770,left=0,top=0,resizable=yes,scrollbars=yes,statusbar=yes,toolbar=no");
}

function openpreview (url) {
 window.open(url, "preview", "left=20,resizable=yes,scrollbars=yes,statusbar=yes,toolbar=no");
}

function opentrailer (url) {
 window.open(url, "trailer", "left=30,top=50,width=550,height=365,resizable=no,scrollbars=no,statubbar=no,toolbar=no");
}