try{document.execCommand('BackgroundImageCache', false, true);}catch(e){}
function shht(id){el1 = document.getElementById(id);el2 = document.getElementById(id+'_hidden');if(el1.style.display==''){el1.style.display='none';el2.style.display='';}else{el1.style.display='';el2.style.display='none';}return false;}
function redirect(url){window.location=url;}
function newwindow(selection,w,h){l=(screen.availWidth-w)/2;t=(screen.availHeight-h)/2;window.open(selection,'_blank','height='+h+',width='+w+',scrollbars=yes,left='+l+',top='+t+',resizable=yes');}