var ns4=(document.layers)?true:false;var ns6=(document.getElementById&&!document.all)?true:false;var ie4=(document.all&&!document.getElementById)?true:false;var ie5=(document.getElementById)?true:false;if(ns4){document.write("<style>#source {visibility: hidden;}</style>")}else{document.write("<style>#source {display: none;}</style>")}function content_update(){if(ns4){document.content.innerHTML=document.source.innerHTML;document.source.innerHTML=""}else{if(ns6){document.getElementById("content").innerHTML=document.getElementById("source").innerHTML;document.getElementById("source").innerHTML=""}else{if(ie4){document.all.content.innerHTML=document.all.source.innerHTML;document.all.source.innerHTML=""}else{if(ie5){document.getElementById("content").innerHTML=document.getElementById("source").innerHTML;document.getElementById("source").innerHTML=""}}}}};