//-----------------------------------------------------------------------------------------------------
function weeklyImage() {
	
	
	var lcSrc = 'images/tipDefault.gif'
    

	var img = new Image() 
	
	img.onload = function(){imageExists(true, lcSrc)} 
	img.onerror = function(){imageExists(false, '')} 
	img.src = lcSrc
	
}
//-----------------------------------------------------------------------------------------------------
function imageExists(tlStatus, tcSrc) {

	if (tlStatus == true) {

		var loImg = document.getElementById('idWeekImg');
	
		if (typeof loImg == "object") {
			loImg.src = tcSrc;
		}
	}
}
//-----------------------------------------------------------------------------------------------------