var Toggle =1; 
function DWtop(chk) 
{   
  Toggle = 0;   
  switch(chk) { 
        case 1: 
          pf.stop(); 
          break; 
        case 2: 
          pf.stop(); 
          break; 
  }     
} 

function DWstart(chk)   
{   
  Toggle = 1;   
  switch(chk) { 
        case 1: 
          pf.start(); 
          break; 
        case 2: 
          pf.start(); 
          break; 
  }     
} 



function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}