function showPicture(strURL, strW, strH)
{
	strW = strW + 20;
        strH = strH + 20;
	frmPic=window.open(strURL,'frmPic','height=' + strH + ',width=' + strW);
        frmPic.moveTo((screen.availWidth/2)-(strW/2),(screen.availHeight/2)-(strH/2));
}