<script type="text/javascript">
 
/* This script section contains the reusable functions */
/* Copyright 2002 Thor Larholm, jscript.dk */
 
function getClassRule(sClass, sStyle){
 if(typeof sClass!="string" ) return;
 sClass = sClass.replace(/^([^\.])/,".$1" );
 var oStyle, cStyle=document.styleSheets;
 if(sStyle) return getRuleByStart( sClass, cStyle[sStyle]);
 else
  for(var i=0, il=cStyle.length, C; i<il; i++){
   C = getRuleByStart( sClass, cStyle[i] );
   if(C) return C;
  }
}
function getRuleByStart( sName, oStyle){
 if(typeof sName!="string" ) return;
 var bUpper = /^[^#\.]/.test(sName);
 if(bUpper) sName = sName.toUpperCase();
 for(var i=0, R=oStyle.rules||oStyle.cssRules, il=R.length, C; i<il; i++){
  C = R[i].selectorText; if(typeof C!="string" ) continue;
  if(bUpper) C = C.toUpperCase();
  if( C.indexOf( sName )==0) return R[i];
 }
}
</script>