if (document.all || document.getElementById){ //if IE4 or NS6+
document.write('<style type="text/css">\n');
document.write('.DYKBoxConent{display: none; width: 1px; height: 1px;}\n');
document.write('</style>');
}

var currIdx=0;
var msgs=new Array();

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

function rotateDYKBoxContent(){
	currIdx=(currIdx<msgs.length-1)? currIdx+1 : 0;
	prevcontentindex=(currIdx==0)? msgs.length-1 : currIdx-1;
	msgs[prevcontentindex].style.display="none";
	msgs[currIdx].style.display="inline";
}


window.onload=function(){
	if (document.all || document.getElementById){
		getElementByClass("DYKBoxContent");
		setInterval("rotateDYKBoxContent()", 10000);
	}
}