function ChangeClass(element,flag)
{
  var attributesLength = element.attributes.length;
  if(flag == 1)
  {
   for(var i=0;i<attributesLength;i++)
   if(element.attributes.item(i).nodeName == 'class')
    {
     element.attributes.item(i).nodeValue = "Alpha";
    }     
   }  
   
   else
   if(flag == 0)
  {
   for(var i=0;i<attributesLength;i++)
   if(element.attributes.item(i).nodeName == 'class')
    {
     element.attributes.item(i).nodeValue = "NoAlpha";
    }     
   } 
   }