function makeGray (obj, state, text){
	if (state && (obj.value == '')){
		obj.value = text;
	} else if (!state && (obj.value == text)){
		obj.value = '';
	}
}
function popup_view (url, w, h, wname) {
	scr_left = 0;
	scr_top = 0;
	wname = wname;
	new_window = window.open (url, wname , "title=image,location=no,menubar=no,resizable=no,scrollbars=yes,status=no,toolbar=no,width="+w+",height="+h+",top="+scr_top+",left="+scr_left);
	new_window.focus();
	return new_window;
}