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

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

function DomCorners(id,isclass,bk,h,tries){
	if (isclass) {
		var el=document.getElementsByClassName(id);
	} else {
		var el= [document.getElementById(id)];
	}
	for (j=0;j<el.length;j++) {
		if(el[j]==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[j].style.padding="0";
		el[j].insertBefore(c[0],el[j].firstChild);
		el[j].appendChild(c[2]);
	}
}
Event.observe(window, 'load', function() {
	if(DomCheck()) {
		DomCorners("criteria_box", true,"assets/criteria_corners.png",10);
		DomCorners("outer_stretch", true,"assets/criteria_corners_outer.png",10);		
	}
})