function CheckIsIE() 
{ 
if (navigator.appName.toUpperCase() == 'MICROSOFT INTERNET EXPLORER') { return true;} 
else { return false; } 
} 


function PrintThisPage() 
{ 


if (CheckIsIE() == true) 
{ 
document.TB_iframeContent.focus(); 
document.TB_iframeContent.print(); 
} 
else 
{ 
window.frames['TB_iframeContent'].focus(); 
window.frames['TB_iframeContent'].print(); 
} 

}