function getInfo(direction) {
doyou = confirm("Are You Sure?"); //Your question.
if (doyou == true)
document.location = direction;
} 

function openPopupForm(){
var window = document.open("imageform.aspx","","width=450 ,height=520"); 
}

function openPopupEntryForm(){
var window = document.open("entryform.aspx","","width=450 ,height=560"); 
}