function showPurple(link, secId){
        var section = document.getElementById(secId);
        var pageLinksDiv = document.getElementById("secrightlink");
        //turn on all links
        var spans = pageLinksDiv.getElementsByTagName("span")
            
        for(var x = 0; x < spans.length; x++){
            spans[x].className = 'pagelink';
            //alert(spans[x].className);
        }
        if(document.getElementById("curriculum")){
			document.getElementById("curriculum").className = 'pagelink';
        }
        //turn off link that was clicked on
        link.className = 'activepagelink';
        //hide all the other sections
        var allDivs = document.getElementsByTagName("div");
        for(var y = 0; y < allDivs.length; y++){
            if(allDivs[y].className == 'onpagesec'){
                allDivs[y].className = 'pagesec';
            }
        }
        //show the correponding section
        section.className = 'onpagesec';
        
    }