var WindowObjectReference;

if(document.captureEvents){
    document.captureEvents(Event.CLICK);
}

document.onclick = function(e)
{
    if (!e){
        e = window.event;
        elm = e.srcElement;
    }else{
        elm = e.target;
    }
    if (elm.tagName=="A"){
    	    onClick(elm);
    }
    if(elm.tagName=="IMG"){
	    parentLink = elm.parentNode;
    	    onClick(parentLink);
    }
}

function onClick(elm){
    elm.setAttribute('target', 'second');
}