function write_logo(){

if(navigator.platform=="MacPPC"&&navigator.appName=="Microsoft Internet Explorer")
{document.write("<div align=center>");}



if(navigator.platform=="MacPPC"&&navigator.appName=="Microsoft Internet Explorer"){
document.write("<div align=center><br /><br />");}
else {document.write("<div class=\"logo\">");}
document.write("<a href=\"flash.html\" onfocus=\"blur();\"><img src=\"logo_concept.gif\" width=\"173\" height=\"35\" alt=\"\" /></a>");
document.write("</div>");
}