// Mobile Sentience LLC - http://www.mobilesentience.com - oss@mobilesentience.com - @MobileSentience
function confirmDeleteSource($name){
	return confirm("Are you sure you wish to permanently remove " + $name + " from Ad Sources?");
}

// not animated collapse/expand
function togglePannelStatus(content){
	var expand = (content.style.display=="none");
	content.style.display = (expand ? "block" : "none");
	toggleChevronIcon(content);
}

// current animated collapsible panel content
var currentContent = null;

function togglePannelAnimatedStatus(content, interval, step){
	// wait for another animated expand/collapse action to end
	if (currentContent==null){
		currentContent = content;
		var expand = (content.style.display=="none");
		if (expand)
			content.style.display = "block";
		var max_height = content.offsetHeight;

		var step_height = step + (expand ? 0 : -max_height);
		toggleChevronIcon(content);

		// schedule first animated collapse/expand event
		content.style.height = Math.abs(step_height) + "px";
		setTimeout("togglePannelAnimatingStatus(" + interval + "," + step + "," + max_height + "," + step_height + ")", interval);
	}
}

function togglePannelAnimatingStatus(interval, step, max_height, step_height){
	var step_height_abs = Math.abs(step_height);

	// schedule next animated collapse/expand event
	if (step_height_abs>=step && step_height_abs<=(max_height-step)){
		step_height += step;
		currentContent.style.height = Math.abs(step_height) + "px";
		setTimeout("togglePannelAnimatingStatus(" + interval + "," + step + "," + max_height + "," + step_height + ")", interval);
	}else { // animated expand/collapse done
		if (step_height_abs<step)
			currentContent.style.display = "none";
		currentContent.style.height = "";
		currentContent = null;
	}
}

// change chevron icon into either collapse or expand
function toggleChevronIcon(content){
	var chevron = content.parentNode.firstChild.childNodes[1].childNodes[0];
	var expand = (chevron.src.indexOf("expand.gif") > 0);
	chevron.src = chevron.src.split(expand ? "expand.gif" : "collapse.gif").join(expand ? "collapse.gif" : "expand.gif");
}

function toggleDisplayedRows(display, hide){
	var drow = document.getElementById(display);
	var hrow = document.getElementById(hide);

	hrow.style.display = 'none';
	drow.style.display = '';
}