var imageList = new Array();

//----------------------Edit this list-------------------------------

imageList[0]	= 'Buyers-Bldg.jpg';
imageList[1]	= 'Electric-Buses.jpg';
imageList[2]	= 'First-Street.jpg';
imageList[3]	= 'Flood-1964-Oregon-City.jpg';
imageList[4]	= 'Imperial-Hotel.jpg';
imageList[5]	= 'Multnomah-Hotel-1915.jpg';
imageList[6]	= 'Pabst-Beer-Co.jpg';
imageList[7]	= 'Police-Guard-Money-Bag.jpg';
imageList[8]	= 'Portland-Flood-1876.jpg';
imageList[9]	= 'Portland-Street-Cars-1905.jpg';
imageList[10]	= 'Vista-House-1918.jpg';
imageList[11]	= 'VJ-Day-1945.jpg';

//----------------------Don't edit below this line-------------------

function getImage() {
	today 		= new Date();
	refUTC		= new Date(2005, 9, 1);
	todayUTC	= today.valueOf();
	numWeeks1	= Math.floor((todayUTC - refUTC)/(60*60*1000)); //Hours to milliseconds
	
	numImages	= imageList.length;
	
	url = document.location.href;
	
	if (url.search(/page=services.html/i) > -1) 		{offSet = 1;}
	else if (url.search(/page=news.html/i) > -1) 		{offSet = 2;}
	else if (url.search(/page=faq.html/i) > -1) 		{offSet = 3;}
	else if (url.search(/about.html/i) > -1) 			{offSet = 4;}
	else if (url.search(/page=/i) > -1) 				{offSet = 5;}
	else {offSet = 0;}
	
	imgNum	= numWeeks1 + offSet;
	while (imgNum >= numImages) {
		imgNum -= numImages;
	}

	if (oImg = document.getElementById('contentTopImg')) {
		oImg.src = 'images/oldPortland/thumb_'+imageList[imgNum];
	}
	else {}
	
}

function viewImage(thisImg) {
	imgInfo = thisImg.getElementsByTagName('img')[0].src.split(/\//)
	imgName = imgInfo[imgInfo.length-1].substring(6);
	window.open('viewImage.php?image='+imgName, 'imagePreview', 'width=650,height=570,scrollbars=auto,resizable=yes,menubar=yes,statusbar=yes');
}