function enhanceLinks() {
var links = document.getElementsByTagName("a");
var thisDomain = document.domain.split('www.');
var thisDomain = (thisDomain[1]) ? thisDomain[1] : document.domain ;
for (var i = 0; i < links.length; i++) {
if (links[i].href.indexOf(thisDomain) == -1 && links[i].href != '') {
links[i].target = '_blank';
// links[i].className = 'link_ext';
}
if (link.search(/jpg/i) != -1 ) {
links[i].target = '_blank';
}

}
}
function addLoadEvent(func) {
var oldonload = window.onload;
if (typeof window.onload != 'function') {
window.onload = func;
} else {
window.onload = function() {
if (oldonload) {
oldonload();
}
func();
}
}
}
addLoadEvent(function() {
enhanceLinks();
});