function popUp(theURL,winName,features) { 
window.open(theURL,winName,features);
}

function expandAndContract(id, img){
div = document.getElementById(id);
	if (div.style.display == 'block' ){
		img.src='img/exp.png';
		div.style.display='none';
	}
	else{
		img.src='img/dim.png';
		div.style.display='block';
	}
}

function init() {
	createExternalLinks();
}

function createExternalLinks() {
    if(document.getElementsByTagName) {
        var anchors = document.getElementsByTagName('a');
        for(var i=0; i<anchors.length; i++) {
            var anchor = anchors[i];
            if(anchor.getAttribute("href") && anchor.getAttribute('rel')=='externo') {
                anchor.target = '_blank';
                var title = anchor.title + ' (Este link abre uma nova janela)';
                anchor.title = title;
            }
        }
    }
}