function enlargePopUp(URL) {
    day = new Date();
    id = day.getTime();
    eval("page" + id + " = window.open(URL, '" + id + "', 'toolbar=0,scrollbars=1,location=0,statusbar=0,menubar=0,resizable=0,width=600,height=400,left = 362,top = 184');");
}


function checkDelete(extra){
    if (confirm("Are you sure you want to delete "+extra+" ?")){
        // yes
        return true;
    }else{
        // no
        return false;
    }
}