function initOverlay() {
    // positions for each overlay 
    var positions = [  
        {top: 20, left: 'center'}, 
        {top: 20, left: 'center'}, 
        {top: 20, left: 'center'}, 
        {top: 20, left: 'center'}, 
        {top: 20, left: 'center'}, 
        {top: 20, left: 'center'}, 
        {top: 20, left: 'center'}, 
        {top: 20, left: 'center'}, 
        {top: 20, left: 'center'}, 
        {top: 20, left: 'center'}, 
        {top: 20, left: 'center'}, 
        {top: 20, left: 'center'}, 
        {top: 20, left: 'center'}, 
        {top: 20, left: 'center'}, 
        {top: 20, left: 'center'}, 
        {top: 20, left: 'center'}, 
        {top: 20, left: 'center'}, 
        {top: 20, left: 'center'}, 
	    {top: 20, left: 'center'}, 
        {top: 20, left: 'center'}, 
        {top: 20, left: 'center'}, 
        {top: 20, left: 'center'}, 
        {top: 20, left: 'center'}, 
        {top: 20, left: 'center'}, 
        {top: 20, left: 'center'}, 
        {top: 20, left: 'center'}, 
    ]; 
	     
    // setup triggers 
    $("a[rel]").each(function(i) { 
        $(this).overlay({ 
            oneInstance: true,  
            closeOnClick: false,
			// hide trigger when overlay is opened 
			onBeforeLoad: function() { 
				this.getBackgroundImage().ifixpng();
				$('div.close').ifixpng();
				$('#videoplayer1').css('display','none');
			},
			onClose: function() {
				$('#videoplayer1').css('display','block');
			},
			onLoad: function() { 
				//get first child
				var bioName = $('div.overlay:eq(' + i + ') > #overlay_box').children(':first').attr('alt');//
				pageTracker._trackPageview('/bios/' + bioName);
    		}, 
            // setup custom finish position 
            finish: positions[i]} 
        );             
    });  
	

}



function toggle(casename){
	if($("#" + casename).is(':hidden'))
		$("#" + casename).fadeIn(600, function(){$("#toggle_"+ casename).html("Go Back");});
	else
		$("#" + casename).fadeOut(600, function(){$("#toggle_" + casename).html("Read More");});
}