function StyleSheetChanger(cssClassName,toChange,changeTo)
{

 for(i = 0; document.styleSheets.length > i; i++) //Mozilla
 {

  if(typeof( document.styleSheets[i].rules) != 'undefined')
  {

   for(j = 0; document.styleSheets[i].rules.length > j; j++)
   {
	
    if(document.styleSheets[i].rules[j].selectorText == cssClassName)
    {
     document.styleSheets[i].rules[j].style[toChange] = changeTo;
    }
   } 
  } 
	else if(typeof(document.styleSheets[i].cssRules) != 'undefined') //IE
  {
		
   for(j = 0; document.styleSheets[i].cssRules.length > j; j++)
   {
	  
    if(document.styleSheets[i].cssRules[j].selectorText == cssClassName)
    {
     document.styleSheets[i].cssRules[j].style[toChange] = changeTo;
    }
   }
  } 
	else 
  {
   
  }
 }
}