function linksIni(){
    content=getElementsByClassName(document, 'div', 'content')[0];
    links=content.getElementsByTagName('a');
    for (var i=0; i<links.length; i++){
        attachEventListener(links[i], "mouseover", switchColorOn, false);
        attachEventListener(links[i], "mouseout", switchColorOff, false);
    }
};

function switchColorOn(eventType){
    var srcEl=getEventTarget(eventType)
    var parent=srcEl.parentNode.parentNode;
    if(srcEl.nodeName=='IMG'){
        var coSrc=parent.getElementsByTagName('a');
        coSrc[1].className='overLink';
    }
    if(srcEl.nodeName=='A'){
        var coSrc=parent.getElementsByTagName('img');
        coSrc[1].className='overLink';
    }
}
function switchColorOff(eventType){
    var srcEl=getEventTarget(eventType)
    var parent=srcEl.parentNode.parentNode;
    if(srcEl.nodeName=='IMG'){
        var coSrc=parent.getElementsByTagName('a');
        coSrc[1].className='';
    }
    if(srcEl.nodeName=='A'){
        var coSrc=parent.getElementsByTagName('img');
        coSrc[1].className='';
    }
}
addLoadListener(linksIni);