var vpospics = null;

function openpopup(in_strUrl, in_intWidth, in_intHeight){
	if (vpospics != null) {
	   if (!vpospics.closed) vpospics.close();
	   vpospics=null;
	}

//	vpospics=window.open(in_strUrl,"","width=" + in_intWidth + ",height=" + in_intHeight + ",toolbar=1,scrollbars=1,location=1,statusbar=1,menubar=1,resizable=1,left=" + (screen.width - in_intWidth)/2 + ",top=" + ((screen.height - in_intHeight)/2));
	vpospics=window.open(in_strUrl,"","width=" + in_intWidth + ",height=" + in_intHeight + ",toolbar=0,scrollbars=1,location=0,statusbar=0,menubar=0,resizable=1,left=" + (screen.width - in_intWidth)/2 + ",top=" + ((screen.height - in_intHeight)/2));
}

var timeout    = 500;
var closetimer    = 0;
var ddmenuitem    = 0;

// open hidden layer
function mopen(id)
{    
    // cancel close timer
    mcancelclosetime();

    // close old layer
    if(ddmenuitem) ddmenuitem.style.visibility = 'hidden';

    // get new layer and show it
    ddmenuitem = document.getElementById(id);
    ddmenuitem.style.visibility = 'visible';

}
// close showed layer
function mclose()
{
    if(ddmenuitem) ddmenuitem.style.visibility = 'hidden';
}

// go close timer
function mclosetime()
{
    closetimer = window.setTimeout(mclose, timeout);
}

// cancel close timer
function mcancelclosetime()
{
    if(closetimer)
    {
        window.clearTimeout(closetimer);
        closetimer = null;
    }
}

// close layer when click-out
document.onclick = mclose;