<!--
//browserchecks
var browser;
if(document.all) browser="doc_all"
else if(document.layers) browser="doc_layers"
else if (navigator.appVersion.charAt(0) == "5"&&navigator.appName == "Netscape") browser="ns_6"
else if(document.getElementById) browser="doc_by_id"
else browser="default";

function preBlanker()
{
	document.all.pera.style.display='none'; 
	document.all.perb.style.display='none'; 
	document.all.perc.style.display='none';
	document.all.perd.style.display='none'; 
	document.all.perf.style.display='none'; 
	document.all.perg.style.display='none'; 
	document.all.perh.style.display='none'; 
	document.all.peri.style.display='none'; 
}

// -->