function showLoading(){
	$('#loadingDIV').get(0).style.display = 'inline';
}

function hideLoading(){
	$('#loadingDIV').get(0).style.display = 'none';
}

function positionLoading(){
	var winH = $(window).height();  
	var winW = $(window).width();
	$('#loadingDIV').css({height:winH+'px'});
	$('#loadingDIVfade').css({height:winH+'px'});
	$('#loadingimgDIV').css('top',  winH/2-$('#loadingimgDIV').height()/2);  
	$('#loadingimgDIV').css('left', winW/2-$('#loadingimgDIV').width()/2);  
}