function ChangeMap(type,act) {
	if(act) {
		document.getElementById("map").src='img/mapa_metalcast_'+type+'.png';
		//alert("kupa");
	} else {
		document.getElementById("map").src='img/mapa_metalcast_templ.png';
	}
}

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";
    }
}