function thumbnailClick(imageDOM) {
	document.getElementById('galleryPictureLarge').src = imageDOM.src.replace('thumb/', '');
}

function getScrollDiv() {
	if(document.getElementById('galleryPictures')) {
		return document.getElementById('galleryPictures');
	}
	if(document.getElementById('scrollText')) {
		return document.getElementById('scrollText');
	}
}

function showparty(partyid) {
	var partyWindow = window.open('party_popup.php?partyid='+partyid, 'PARTY_WINDOW', 'width=820,height=600,resizable=1,scrollbars=1,top=0,left=0,screenY=0,screenX=0');
	partyWindow.focus();
}
function page_onload() {
		
	var scrollDiv = getScrollDiv();
	var galleryPictures = document.getElementById('galleryPictures');
	if (galleryPictures || scrollDiv) {
		if (galleryPictures.getElementsByTagName) {
			var tags = document.getElementById('galleryPictures').getElementsByTagName('img');

			for (var i = 0; i < tags.length; i++) {
				tags[i].onclick = function() {
					thumbnailClick(this);
				}
				if (i == 0) {
					thumbnailClick(tags[i]);
				}
			}
		}
	}
}