/*Programming language: Java Script*
*Requirements: IE 4+, Netscape 6+, Mozilla and all other Dom capable browsers*
*/

function TSlinkrotation () {

    // fill the linklist with your links
	this.addLink = addLink;
        
    // change the link
	this.rotateLink = rotateLink;

    // loop the rotateLink() function
	this.start = function() {

        // check if browser supports javascript and start rotation if browser does
		if (document.all || document.getElementById)
		{
					//setInterval(this.objName+'.rotateLink()', this.refreshTime);
					setTimeout(this.objName+'.rotateLink()',0);//Must show at time 0;
					setInterval(this.objName+'.rotateLink()', this.refreshTime);
		}	
	}
}


function NormalRotation(divName) {

	this.linklist = new Array();
	this.parameter = new Array();
	this.linktype = new Array();

    // give every linkrotation object an unique name
	this.objName = "linkrotation" + (TSlinkrotation.id++);
	eval(this.objName + "=this");

	this.refreshTime = 6 * 1000;
    this.divName = divName;

    this.currentIndex = -1;

    this.setCurrentIndex = function() {
        if (this.currentIndex >= this.linklist.length - 1)
            this.currentIndex = 0;
        else this.currentIndex++;
    }
}

NormalRotation.prototype = new TSlinkrotation;

/*
    support functions
*/

function addLink(link,parameter,type) {
	this.linklist[this.linklist.length] = link;
	this.parameter[this.parameter.length] = parameter;
	this.linktype[this.linktype.length] = type;
}

function rotateLink() {

    this.setCurrentIndex();

    if (document.getElementById && document.createRange) {

        // Netscape 6+, Mozilla
        // we can use the W3C DOM

        var range = document.createRange();

        // search the <div id="divName"> in the webpage
        var div = document.getElementById(this.divName);
        range.setStartBefore(div);

        // prepare the new link
        var currentLink = range.createContextualFragment(this.linklist[this.currentIndex]);

        // remove the old link
        while (div.hasChildNodes())
            div.removeChild(div.lastChild);

        // write the new link into the webpage
        div.appendChild(currentLink);
    }
    else if (document.all) {
        // Internet Explorer 4+,  Opera (does not support DHTML)
        // we have to use the ms object model
        eval('document.all.'+this.divName+'.innerHTML = this.linklist[this.currentIndex]');
		if (this.linktype[this.currentIndex]=='Another')
		{		
			setTimeout('shrinkHide(panExpand)',3*1000);
		//	setTimeout('shrinkHide(panExpand)',100);
		}
    }
}

TSlinkrotation.id = 0; 
function makevisible(cur,which){

if (which==0)

cur.filters.alpha.opacity=100

else

cur.filters.alpha.opacity=80

}