function navigateTo(obj,url){

	// reset them all to be tab
	for(i=1; i<=6; i++) {
		var currentObjId = 'tab_'+i;
		var currentObj = document.getElementById(currentObjId);
		if ( currentObj != null ) {
			currentObj.className = 'tab';
		}
	}
	// then set the current one to be active;
	obj.className = 'tab activeTab';
	
	// now change the Iframe address
	var roomFrame = document.getElementById('roomInfoFrame');
	roomFrame.src = url;

}

function navigateToIndex(index,url){

	// reset them all to be tab
	for(i=1; i<=6; i++) {
		var currentObjId = 'tab_'+i;
		var currentObj = document.getElementById(currentObjId);
		if ( currentObj != null ) {
			currentObj.className = 'tab';
		}
	}
	// then set the current one to be active;
	var newObjId = 'tab_'+ index;
	var newObj = document.getElementById(newObjId);
	newObj.className = 'tab activeTab';
	
	// now change the Iframe address
	var roomFrame = document.getElementById('roomInfoFrame');
	roomFrame.src = url;

}

function showThumbnail(url){
	var displayImage = document.getElementById("displayImage");
	displayImage.src = url;
}