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op=navigator.userAgent.indexOf('Opera')!=-1;
px='px';

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function sE(e){l?e.visibility='show':e.style.visibility='visible';}
function hE(e){l?e.visibility='hide':e.style.visibility='hidden';}
function sZ(e,z){l?e.zIndex=z:e.style.zIndex=z;}
function sX(e,x){l?e.left=x:op?e.style.pixelLeft=x:e.style.left=x+px;}
function sY(e,y){l?e.top=y:op?e.style.pixelTop=y:e.style.top=y+px;}
function sW(e,w){l?e.clip.width=w:op?e.style.pixelWidth=w:e.style.width=w+px;}
function sH(e,h){l?e.clip.height=h:op?e.style.pixelHeight=h:e.style.height=h+px;}
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function wH(e,h){if(l){Y=e.document;Y.open();Y.write(h);Y.close()}if(e.innerHTML)e.innerHTML=h}
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function gH(e){l?h=e.clip.height:h=e.offsetHeight;return h}
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function gSX(e){is_mac?x=d.body.scrollLeft:l?x=e.scrollWidth:x=e.scrollLeft;return x}
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function swapImg(i,t){e='';if(arguments.length>2)e=arguments[2];eval('d["'+i+e+'"].src='+i+t+'.src')}

function openBibliotheek(id) {
	// keve 13-04-2007
	// nieuw scherm openen.
	newWin = window.open('/bibliotheek/index.php?id='+id)
	newWin.focus();
	//opener.document.location='/bibliotheek/index.php?id='+id;
	//opener.focus();
} // openBibliotheek

terug0=new Image(40,21);terug0.src="/images/header/terug_0.gif";
terug1=new Image(40,21);terug1.src="/images/header/terug_1.gif";
terug3=new Image(40,21);terug3.src="/images/header/terug_3.gif";


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is_mac = (agt.indexOf("mac") != -1);
//-->