// For the nav td highlights
function navRollOver(obj, state)
{
document.getElementById(obj).className = (state == 'on') ? 'nav-link-highlight' : 'nav-link';
}

function changecss(theclass,element,value) { 
//documentation for this script at http://www.shawnolson.net/a/503/ 
var cssRules; 
if (document.all) { 
cssRules = 'rules'; 
} 
else if (document.getElementById) { 
cssRules = 'cssRules'; 
} 
for (var S = 0; S < document.styleSheets.length; S++){ 
for (var R = 0; R < document.styleSheets[S][cssRules].length; R++) { 
if (document.styleSheets[S][cssRules][R].selectorText == theclass) { 
document.styleSheets[S][cssRules][R].style[element] = value; 
} 
} 
} 
}