//domCorners by Alessandro Fulciniti on http://web-graphics.com/mtarchive/001660.php

function DomCheck(){
return(document.createElement && document.getElementById)
}

function DomCorners(id,bk,h,tries){
    if(DomCheck()){
        var el=document.getElementById(id);
        if(el==null){
            if(tries==null) tries=200;
            if(tries>0)
                setTimeout("DomCorners('"+id+"','"+bk+"',"+h+","+(--tries)+")",50);
            return;
        }
        var c=new Array(4);
        for(var i=0;i<4;i++){
            c[i]=document.createElement("b");
            c[i].style.display="block";
            c[i].style.height=h+"px";
            c[i].style.fontSize="1px";
            if(i%2==0)
                c[i].style.background="url("+bk+") no-repeat 0 -"+ i*h + "px";
            else
                c[i].style.background="url("+bk+") no-repeat 100% -"+ i*h + "px";
            }
        c[0].appendChild(c[1]);
        c[2].appendChild(c[3]);
        el.style.padding="0";
        el.insertBefore(c[0],el.firstChild);
        el.appendChild(c[2]);
    }
}

function DomTopCorners(id,bk,h,tries){
    if(DomCheck()){
        var el=document.getElementById(id);
        if(el==null){
            if(tries==null) tries=200;
            if(tries>0)
                setTimeout("DomTopCorners('"+id+"','"+bk+"',"+h+","+(--tries)+")",50);
            return;
        }
        var c=new Array(4);
        for(var i=2;i<4;i++){
            c[i]=document.createElement("b");
            c[i].style.display="block";
            c[i].style.height=h+"px";
            c[i].style.fontSize="1px";
            if(i%2==0)
                c[i].style.background="url("+bk+") no-repeat 0 -"+ i*h + "px";
            else
                c[i].style.background="url("+bk+") no-repeat 100% -"+ i*h + "px";
        }
        //c[0].appendChild(c[1]);
        c[2].appendChild(c[3]);
        el.style.padding="0";
        el.style.margin.top="0";
        //el.insertBefore(c[0],el.firstChild);
        el.appendChild(c[2]);
    }
}