function rollon() 
{ 
if (event.srcElement.tagName == "A") 
{ 
event.srcElement.style.color = "#3366cc"; event.srcElement.onmouseout = rolloff; 
} 
} 

function rolloff() 

{ 
event.srcElement.style.color = "#3366cc"; 
} 
document.onmouseover = rollon;