var SPHFrame = '_PopupHelpFrame';
var SPHContent = '_PopupHelpContent';

function showPopupHelp(Topic)
{
	var Frame = document.getElementById(SPHFrame);
	var Content = document.getElementById(SPHContent);
	Frame.style.display = 'block';

	Content.innerHTML = 'Loading...';
	Content = Content.parentNode;
	Content.style.left = Math.round(Content.parentNode.offsetWidth*0.5-Content.offsetWidth*0.5)+'px';
	Content.style.top = Math.round(Content.parentNode.offsetHeight*0.5-Content.offsetHeight*0.5)+'px';

	var AJAX = new __AJAX(true);
	AJAX.GET(AJAXREF+'action=getPopupHelp&display='+Topic, PHCB);
}

function PHCB(a,b)
{
	var Content = document.getElementById(SPHContent);
	Content.innerHTML = a;
	Content = Content.parentNode;
	Content.style.left = Math.round(Content.parentNode.offsetWidth*0.5-Content.offsetWidth*0.5)+'px';
	Content.style.top = Math.round(Content.parentNode.offsetHeight*0.5-Content.offsetHeight*0.5)+'px';
}

function hidePopupHelp()
{
	var Frame = document.getElementById(SPHFrame);
	Frame.style.display = 'none';
}