function OpenDialogWindow( sUri, iWidth, iHeight )
{
	var sWindowName = 'win' + Math.floor( Math.random()*1000 )
	var iRealWidth = iWidth ? iWidth : 600
	var iRealHeight = iHeight ? iHeight : screen.height - 300
	
	var iLeft = Math.round( (screen.width-iRealWidth)/2 )
	var iTop =  Math.round( (screen.height-iRealHeight)/2 ) - 35

	var sWindowOptions = 'status=yes,menubar=no,toolbar=no,resizable=no,scrollbars=yes,location=no'
    sWindowOptions += ',width='  + iRealWidth
    sWindowOptions += ',height=' + iRealHeight
    sWindowOptions += ',left='   + iLeft
    sWindowOptions += ',top='    + iTop

    var oWindow = window.open( sUri, sWindowName, sWindowOptions )
    oWindow.focus()

    return oWindow
}
function GoToURL(url){
	if (document.location){
		document.location = url;
	}
}