function imgpopup(theURL) {
	window.open("/showbigimage.php?src="+theURL, "Image","toolbar=no,location=no,status=no,menubar=no,scrollbars=no,resizable=yes,width=200,height=200");
}

function videopopup(track) {
	window.open("/videoclip.php?track="+track, "VideoClip","toolbar=no,location=no,status=no,menubar=no,scrollbars=no,resizable=no,width=438,height=359");
}

function audiopopup(track) {
	window.open("/audioclip.php?track="+track, "AudioClip","toolbar=no,location=no,status=no,menubar=no,scrollbars=no,resizable=no,width=343,height=162");
}

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_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_findObj(n, d) { //v4.01
  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 && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

function setTabBlocks(parentName, showClassName, hideClassName) {
	var parent = document.getElementById(parentName);
	if (!parent || !showClassName || !hideClassName) return;
	
	var clickTab = [], textTab = [], i;
	var elems = parent.getElementsByTagName("SPAN");

	for(i=0; i<elems.length; i++ ) {
		if (elems[i].className == showClassName) {
		    clickTab[clickTab.length] = elems[i];
		}
		if (elems[i].className == hideClassName){
		    textTab[textTab.length] = elems[i];
		}
	}
	
	if (clickTab.length != textTab.length) return false;
	
	for(i=0; i<clickTab.length; i++){
	    clickTab[i].textElem = textTab[i];
	    clickTab[i].opened = false;
	    clickTab[i].onclick = function () {
	        if (this.opened){
	    	    this.textElem.style.display = "none";
	    	    this.opened = false;
	    	} else {
	    	    this.textElem.style.display = "block";
	    	    this.opened = true;
	    	}
	    }
	}
	
}