function MM_preloadImages() { //v3.0
			  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
			    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
			    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
			}
			
			function MM_findObj(n, d) { //v4.0
			  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
			    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
			  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
			  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
			  if(!x && document.getElementById) x=document.getElementById(n); return x;
			}
			
			function MM_nbGroup(event, grpName) { //v3.0
			  var i,img,nbArr,args=MM_nbGroup.arguments;
			  if (event == "init" && args.length > 2) {
			    if ((img = MM_findObj(args[2])) != null && !img.MM_init) {
			      img.MM_init = true; img.MM_up = args[3]; img.MM_dn = img.src;
			      if ((nbArr = document[grpName]) == null) nbArr = document[grpName] = new Array();
			      nbArr[nbArr.length] = img;
			      for (i=4; i < args.length-1; i+=2) if ((img = MM_findObj(args[i])) != null) {
			        if (!img.MM_up) img.MM_up = img.src;
			        img.src = img.MM_dn = args[i+1];
			        nbArr[nbArr.length] = img;
			    } }
			  } else if (event == "over") {
			    document.MM_nbOver = nbArr = new Array();
			    for (i=1; i < args.length-1; i+=3) if ((img = MM_findObj(args[i])) != null) {
			      if (!img.MM_up) img.MM_up = img.src;
			      img.src = (img.MM_dn && args[i+2]) ? args[i+2] : args[i+1];
			      nbArr[nbArr.length] = img;
			    }
			  } else if (event == "out" ) {
			    for (i=0; i < document.MM_nbOver.length; i++) {
			      img = document.MM_nbOver[i]; img.src = (img.MM_dn) ? img.MM_dn : img.MM_up; }
			  } else if (event == "down") {
			    if ((nbArr = document[grpName]) != null)
			      for (i=0; i < nbArr.length; i++) { img=nbArr[i]; img.src = img.MM_up; img.MM_dn = 0; }
			    document[grpName] = nbArr = new Array();
			    for (i=2; i < args.length-1; i+=2) if ((img = MM_findObj(args[i])) != null) {
			      if (!img.MM_up) img.MM_up = img.src;
			      img.src = img.MM_dn = args[i+1];
			      nbArr[nbArr.length] = img;
			  } }
			}

function openvenster(url,popup_width,popup_height,scrollbars) { 
                var undefined; 
                if (popup_width == undefined) popup_width=800; 
                if (popup_height == undefined) popup_height=600; 
                if (scrollbars == undefined) scrollbars='no'; 
                left_pos = (screen.availWidth/2) - (popup_width / 2); 
                top_pos = (screen.availHeight/2) - (popup_height / 2); 
                mywin = window.open(url,'popup','height=' + popup_height + ',left=' + left_pos + ',top=' +top_pos + ',width=' + popup_width + ',scrollbars=' + scrollbars); 
                mywin.focus(); 
}