var wnd

function rollover(obj) {
  obj.style.backgroundImage='url(images/tastob.gif)';
  }

function rollout(obj) {
  obj.style.backgroundImage='url(images/tastoa.gif)';
  }
	
function openwindow(url, name) {
	wnd = null;
	wnd = open(url, name,'width=500,height=500,resizable=yes,status=yes');
	wnd.document.bgColor = '#000000';
	}

function sendiframe(frame, form){
	if (/Firefox[\/\s](\d+\.\d+)/.test(navigator.userAgent)){
		eval('window.'+frame+'.document.'+form+'.submit()');
		}
	else {
		document.frames[frame].document.forms[form].submit();
		}
	}