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";
        }
        if (anchor.getAttribute("href") &&
            anchor.getAttribute("class") == "externalTextLink") {
            anchor.target = "_blank";
        }
        if (anchor.getAttribute("href") &&
            anchor.getAttribute("rel") == "externalRedirect") {
            anchor.target = "_blank";
        }
    }
}


var curcontentindex=0;
var messages=new Array();

function getElementByClass(classname){
	var inc=0;
	var alltags=document.all? document.all : document.getElementsByTagName("*");
	for (i=0; i<alltags.length; i++){
		if (alltags[i].className==classname)
			messages[inc++]=alltags[i];
	}
}

function rotatecontent(){
	//get current message index (to show it):
	curcontentindex=(curcontentindex<messages.length-1)? curcontentindex+1 : 0;
	//get previous message index (to hide it):
	prevcontentindex=(curcontentindex==0)? messages.length-1 : curcontentindex-1;
	messages[prevcontentindex].style.display="none"; //hide previous message
	messages[curcontentindex].style.display="block"; //show current message
}


window.onload = function() {
	externalLinks();
	if (document.all || document.getElementById){
		getElementByClass("dyncontent");
		setInterval("rotatecontent()", 5000);
	}
}