function externalLinks() {
    if (!document.getElementsByTagName) return;
    var anchors = document.getElementsByTagName("a");
    for (var i=0; i<anchors.length; i++) {
        var anchor = anchors[i];
        if (anchor.getAttribute("href") && anchor.getAttribute("rel") == "external")
            anchor.target = "_blank";
    }
}
window.onload = externalLinks;


function bgTo(name,x,y) {
    var item=document.getElementById(name);
    if(item==null) return;
    item.style.backgroundPosition=x+'px '+y+'px';
}

function selectInputBox(field,def,clss) {
    if(field.value==def) field.value='';
    field.className=clss;
}

function deselectInputBox(field,def,clss) {
    if(field.value=='') {
        field.className=clss;
        field.value=def;
    }
}

function minimize(button,name) {
    var div=document.getElementById(name);
    if(div.style.display=='') {
        div.style.display='none';
        button.className='maximize';
    } else {
        div.style.display='';
        button.className='minimize';
    }
}