function url_git(url) {
top.location.href = url
}

function menulink(url) {
document.getElementById('menu1').style.display='none';
document.getElementById('menu2').style.display='none';
document.getElementById('menu3').style.display='none';
document.getElementById('menu4').style.display='none';
document.getElementById('menu5').style.display='none';
document.getElementById('menu'+url).style.display='';
}

if (navigator.appName != 'Microsoft Internet Explorer') {
document.writeln( "<style type=\"text/css\">" );
document.writeln( ".t_ust {background-image:url(images/ust.png);background-repeat:no-repeat;background-position:bottom;}" );
document.writeln( ".t_sol {background-image:url(images/sol.png);background-repeat:repeat-y;}" );
document.writeln( ".t_sag {background-image:url(images/sag.png);background-repeat:repeat-y;}" );
document.writeln( ".t_solalt {background-image:url(images/solalt.png);background-repeat:no-repeat;}" );
document.writeln( ".t_alt {background-image:url(images/alt.png);background-repeat:repeat-x;}" );
document.writeln( ".t_sagalt {background-image:url(images/sagalt.png);background-repeat:no-repeat;}" );
document.writeln( "</style>" );
}
else {
document.writeln( "<style type=\"text/css\">" );
document.writeln( ".t_ust {background-repeat:no-repeat;filter:progid:DXImageTransform.Microsoft.AlphaImageLoader(src='images/ust.png', sizingMethod='scale');background-position:bottom;}" );
document.writeln( ".t_sol {background-repeat:repeat-y;filter:progid:DXImageTransform.Microsoft.AlphaImageLoader(src='images/sol.png', sizingMethod='scale');}" );
document.writeln( ".t_sag {background-repeat:repeat-y;filter:progid:DXImageTransform.Microsoft.AlphaImageLoader(src='images/sag.png', sizingMethod='scale');}" );
document.writeln( ".t_solalt {background-repeat:no-repeat;filter:progid:DXImageTransform.Microsoft.AlphaImageLoader(src='images/solalt.png', sizingMethod='scale');}" );
document.writeln( ".t_alt {background-repeat:repeat-x;filter:progid:DXImageTransform.Microsoft.AlphaImageLoader(src='images/alt.png', sizingMethod='scale');}" );
document.writeln( ".t_sagalt {background-repeat:no-repeat;filter:progid:DXImageTransform.Microsoft.AlphaImageLoader(src='images/sagalt.png', sizingMethod='scale');}" );
document.writeln( "</style>" );
}