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()", 7000);
    }
}