var popWin = null;

function openPopImages(imgUrl, winDesc, winWidth, winHeight) {
	var now = new Date();

	var winLeft = (screen.availWidth / 2) - (winWidth / 2); // center window in screen
	var winTop = (screen.availHeight / 2) - (winHeight / 2); // center window in screen

	var winFeatures  = addFeature("toolbar",    0,         0);
			winFeatures += addFeature("location",   0,         1);
			winFeatures += addFeature("status",     0,         1);
			winFeatures += addFeature("menubar",    0,         1);
			winFeatures += addFeature("scrollbars", 0,         1);
			winFeatures += addFeature("resizable",  1,         1);
			winFeatures += addFeature("left",       winLeft,   1);
			winFeatures += addFeature("top",        winTop,    1);
			winFeatures += addFeature("width",      winWidth,  1);
			winFeatures += addFeature("height",     winHeight, 1);

  popWin = window.open("popup.php?imgUrl=" + escape(imgUrl) + "&winDesc=" + escape(winDesc), "popImg" + now.getTime(), winFeatures);

	//return false;
}

/*
function openPopImages(imgUrl, winDesc, winWidth, winHeight) {
	var now = new Date();

	var winLeft = (screen.availWidth / 2) - (winWidth / 2); // center window in screen
	var winTop = (screen.availHeight / 2) - (winHeight / 2); // center window in screen

	var winFeatures  = addFeature("toolbar",    0,         0);
			winFeatures += addFeature("location",   0,         1);
			winFeatures += addFeature("status",     0,         1);
			winFeatures += addFeature("menubar",    0,         1);
			winFeatures += addFeature("scrollbars", 0,         1);
			winFeatures += addFeature("resizable",  1,         1);
			winFeatures += addFeature("left",       winLeft,   1);
			winFeatures += addFeature("top",        winTop,    1);
			winFeatures += addFeature("width",      winWidth,  1);
			winFeatures += addFeature("height",     winHeight, 1);

  popWin = window.open("about:blank", "popImg" + now.getTime(), winFeatures);
  var docImg = popWin.document;
  docImg.open();
  docImg.write('<html><head><title>' + winDesc + '</title></head><body>');
  docImg.write('<table><tr><td><img src="' + imgUrl+ '" /></td></tr><tr><td><font style="color:#003f4e; font-size: 11px;font-family:Verdana;">' + winDesc + '</font></td></tr></table>');
	docImg.write('</body></html>');
	docImg.close();

	//return false;
}
*/

function addFeature(winKey, winValue, useCommata) {
	var prefix = "";
	if(useCommata > 0) { prefix = ","; }
	return prefix + winKey + "=" + winValue;
}

///////////////////////////////////////////////////////////////////////////////

function showMovie(url, width, height) {
	var now = new Date();

	closePopWin(); // close any previously opened pop-up windows

	var winLeft = (screen.availWidth / 2) - (width / 2); // center window in screen
	var winTop = (screen.availHeight / 2) - (height / 2); // center window in screen

	var winFeatures  = addFeature("toolbar",    0,       0);
			winFeatures += addFeature("location",   0,       1);
			winFeatures += addFeature("status",     0,       1);
			winFeatures += addFeature("menubar",    0,       1);
			winFeatures += addFeature("scrollbars", 0,       1);
			winFeatures += addFeature("resizable",  0,       1);
			winFeatures += addFeature("left",       winLeft, 1);
			winFeatures += addFeature("top",        winTop,  1);
			winFeatures += addFeature("width",      width,   1);
			winFeatures += addFeature("height",     height,  1);

	if(popWin == null || popWin.closed) {
		popWin = window.open(url, now.getTime(), winFeatures);
	}
}

function closePopWin() { // close pop-up window if it is open
	if(navigator.appName != "Microsoft Internet Explorer" || parseInt(navigator.appVersion) >= 4) { //do not close if early IE
		if(popWin != null) { if(!popWin.closed) { popWin.close(); } }
	}
}

