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

function DomCorners(id,bk,h,tries){
	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");
		if(i==0) c[i].style.marginBottom="-"+h+"px";
		else if(i==2) c[i].style.marginTop="-"+h+"px";
		c[i].style.display="block";
		c[i].style.height=h+"px";
		c[i].style.position="relative";
		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.insertBefore(c[0],el.firstChild);
	el.appendChild(c[2]);
//	el.insertBefore(c[2],el.childNodes[el.children.length]);
}