function change_page (headerFile, montageFile, montageBorder) {
	var objMainPic = window.parent.document.images['montage_pic'];
	var objHeadPic = window.parent.document.images['head-img'];
	
	if (!(objMainPic)) {
		objMainPic = window.parent.document.getElementById('montage_pic');
		objHeadPic = window.parent.document.getElementById('head-img');
	}
	if (objMainPic) {
		objMainPic.style.borderColor = montageBorder;
		objMainPic.src = montageFile;
		objHeadPic.src = headerFile;
	}
}