function showHelp() {
	if (spnHelp.style.visibility == 'hidden') {
		spnHelp.style.visibility = 'visible';
		spnHelp.style.left = event.x - spnHelp.offsetWidth;
		spnHelp.style.top = event.y;
	} else {
		spnHelp.style.visibility = 'hidden';
	}
}
function openURL(sUrl, iWidth, iHeight) {
	var x = (screen.width - iWidth) / 2;
	var y = ((screen.height - iHeight) / 2);
	window.open(sUrl, 'URL','left=' + x + ',top=' + y + ',status=no,scrollbars=yes,width=' + iWidth + ',height=' + iHeight + ',resizable=yes');
}
function goto(sURL) {
	document.location.href = sURL;
}
function showTitle(sText) {
	divTitle.style.display = 'block';
	divTitle.style.top = document.body.scrollTop + event.y;
	divTitle.style.left = document.body.scrollLeft + event.x + 10;
	divTitle.innerHTML = sText;	
}
function hideTitle() {
	divTitle.style.display = 'none';
}