function swap(name,ver){
  eval("document."+name+".src=\"images/"+name+ver+".png\"");
}

function printIt(target) { 
 winId=window.open('','printwin','width=580,height=430'); 
 winId.document.write(target); 
 winId.document.close(); 
 winId.focus(); 
 if (window.print) winId.print(); 
}