function Welcome(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}

function OpenNewWindow(url,winwidth,winheight) 
{

NewWindow=window.open(url,'descr','toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbar=yes,scrollbars=yes,resizable=no,copyhistory=no,width='+winwidth+',height='+winheight)
}

//link sample:
//<a href="javascript:OpenNewWindow('url_of_page','pixel_height','pixel_width')"><link></a>