add: if( event == undefined ) event = window.event; 
context:    win.el_resize_left.onmousedown = function( event ) {      hop_iwindow_resize( event, win, false, false );   };
meta: 4636	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/4636/d9d6b2e3c521aa0e9b012cc36e10a59371fdfee5/hop-iwindow.js/buggy/share/hop-iwindow.js