// Utility Javascript library

function changeElementStatus(elementId, isActiv) {
	var myElement = document.getElementById(elementId);
	if (myElement != null) {
		myElement.disabled = !isActiv;
	}
}

function changeVisibility(elementId, visibilityValue) {
	var myElement = document.getElementById(elementId);
	myElement.style.visibility = visibilityValue;
}

function submitMetaTracking(id, action) {
	jQuery("#" + id)
			.append(
					"<img style='width:1px; height:1px; border:none;' src='https://tracking.metalyzer.com/tamedia/alpha/action.php?act="
							+ action + "' alt='mp-track' />");
}

function trackSuchAbo(protocol, publishing){
	jQuery("#suchabo-box").append("<img style='width:1px; height:1px; border:none;' src='"+protocol+"://tracking.metalyzer.com/tamedia/"+publishing+"/action.php?act=suchabo' alt='mp-track' />");
}

function handlKeyPress(toClick, e) {
	var characterCode;

	if (!e)
		e = window.event;
	var characterCode = (e.keyCode) ? e.keyCode : e.which;

	if (characterCode == 13) {
		document.getElementById(toClick).click();
		return false;
	} else {
		return true;
	}
}

function handlKeyPressSendOnClick(toClick, e) {
	var characterCode;

	if (!e)
		e = window.event;
	var characterCode = (e.keyCode) ? e.keyCode : e.which;

	if (characterCode == 13) {
		document.getElementById(toClick).onclick();
		return false;
	} else {
		return true;
	}
}
// If a td in a tr element contains a empty element with the class noBottomBorder
// the bottom border of the parent tr is removed. in case of the ie fix for
// dotted borders the background-image is also removed.
function removeTableBottomBorder() {
	tableRow = jQuery('.noBottomBorder').parent().parent();
	tableRow.css('border-bottom', 'none');
	tableRow.css('background-image', 'none');
	tableRow.children('td').css('border-bottom', 'none');    
	tableRow.children('td').css('background-image', 'none'); 
}


function enterFireChangeEvent(e) {
	if (!e)
		e = document.event;
	
	var characterCode = (e.keyCode) ? e.keyCode : e.which;
	if (characterCode == 13) {
		var event_element=e.target? e.target : e.srcElement;
		if(event_element.fireEvent) {
			event_element.fireEvent('onchange');
			return false;
		}
	}
	return true;
}