// Version 0.1040909
// Tom Lawton
// Javascript product overlay

function GetElementPosition( el ) {
    var _x = 0;
    var _y = 0;
    while( el && !isNaN( el.offsetLeft ) && !isNaN( el.offsetTop ) ) {
        _x += el.offsetLeft - el.scrollLeft;
        _y += el.offsetTop - el.scrollTop;
        el = el.parentNode;
    }
    return { top: _y, left: _x };
}


function ShowProductThumbOverlay(Id)
{
	document.getElementById('pt_'+Id).style.visibility = 'visible';
	document.getElementById('pt_'+Id).style.display = 'block';
	return;
}

function HideProductThumbOverlay(Id)
{
	document.getElementById('pt_'+Id).style.visibility = 'hidden';
	document.getElementById('pt_'+Id).style.display = 'none';
	return;
}