// open comment window
function openCom(page){
  bigpicture = window.open(page,'bigwindow', 'width=400, height=375, scrollbars=1, resizable=yes');
	bigpicture.focus();
}
//show full review
function fullcolumn(){
fullreview.style.visibility="visible";
review.style.visibility="hidden";
mrtrktitle.style.visibility="hidden";
mrrevtitle.style.visibility="hidden";
mrrev.style.visibility="hidden";
}

//hide review
function hidecolumn(){
fullreview.style.visibility="hidden";
review.style.visibility="visible";
mrtrktitle.style.visibility="visible";
mrrevtitle.style.visibility="visible";
mrrev.style.visibility="visible";
}