function fetchWidget(settings)
{	

	settings.bgColour = (settings.bgColour == null) ? '' : settings.bgColour;
	settings.headerColour = (settings.headerColour == null) ? '' : settings.headerColour;
	settings.widgetColour = (settings.widgetColour == null) ? '' : settings.widgetColour;
	settings.apiKey = (settings.apiKey == null) ? '' : settings.apiKey;
	
	if (settings.apiKey.length != 40) {
		
		if (settings.apiKey.length < 40) {
			alert("API Key for myCharity Widget is too short.");
		}
		else {
			alert("API Key for myCharity Widget is too long.");
		}
	}
	else {
			
		var el = document.createElement("iframe");
		el.setAttribute('id', 'ifrm');
		var iFrameDiv = document.getElementById('donationWidget');
	
		el.setAttribute('src', 'https://www.mycharity.ie/generate_widget.php?apiKey=' + settings.apiKey + '&callBack=' + settings.callBack + '&bgColour=' + settings.bgColour + '&headerColour=' + settings.headerColour + '&widgetColour=' + settings.widgetColour);
		el.setAttribute('height', '445');
		el.setAttribute('width', '230');
		el.setAttribute('frameBorder', '0');
		iFrameDiv.appendChild(el);
	
	}
}