function gourl(url){location.href=url;}

function changecss(theClass,element,value) {
  //Last Updated on June 23, 2009
  //documentation for this script at
  //http://www.shawnolson.net/a/503/altering-css-class-attributes-with-javascript.html
  var cssRules;

  var added = false;
  for (var S = 0; S < document.styleSheets.length; S++){

    if (document.styleSheets[S]['rules']) {
      cssRules = 'rules';
    } else if (document.styleSheets[S]['cssRules']) {
      cssRules = 'cssRules';
    } else {
      //no rules found... browser unknown
    }

    for (var R = 0; R < document.styleSheets[S][cssRules].length; R++) {
      if (document.styleSheets[S][cssRules][R].selectorText == theClass) {
        if(document.styleSheets[S][cssRules][R].style[element]){
          document.styleSheets[S][cssRules][R].style[element] = value;
          added=true;
          break;
        }
      }
    }
    if(!added){
      if(document.styleSheets[S].insertRule){
        document.styleSheets[S].insertRule(theClass+' { '+element+': '+value+'; }',document.styleSheets[S][cssRules].length);
      } else if (document.styleSheets[S].addRule) {
        document.styleSheets[S].addRule(theClass,element+': '+value+';');
      }
    }
  }
}