var moreArrow;
var moreArrowDefault;
var moreArrowOpen;
function init(){
    document.getElementById("more-toggle").onclick=moreToggle;
    
    moreArrow=document.getElementById("more-arrow");
    moreArrowDefault=moreArrow.src;
    moreArrowOpen=moreArrowDefault.replace(".gif","_down.gif");
}

function moreToggle(){
    var more=document.getElementById("more");
    if(window.getComputedStyle){
        
        if(window.getComputedStyle(more,null).visibility=="hidden"){
            more.style.visibility="visible"
            moreArrow.src=moreArrowOpen;
        }else{
            more.style.visibility="hidden"
            moreArrow.src=moreArrowDefault;
        }
    }else{
        if(more.currentStyle.visibility=="hidden"){
            more.style.visibility="visible"
            moreArrow.src=moreArrowOpen;
        }else{
            more.style.visibility="hidden"
            moreArrow.src=moreArrowDefault;
        }
    }
}