/*** Check document content ***/
function initiateContent() {
	if (!document.getElementsByTagName) return false;
	if (!document.getElementById) return false;
	if (!document.getElementsByClassName('content')) return false;

	//Show first panel
	showContent(0);

	//Call global page enhance
	enhanceDoc();
}

/*** Show a chosen content ***/
function showContent(index) {
	//Get array of content
	var $content_panels=document.getElementsByClassName('content');
	//Loop through content panels and hide them all,
	//except the selected one which we show
	for (var $i=0; $i<$content_panels.length; $i++) {
		var $panel=$content_panels[$i];
		if ($i!=index) {
			$panel.style.display='none';
		} else {
			$panel.style.display='block';
		}
	}
}

window.onload = function() {
	initiateContent();
}