/* video section */

function apriVid2(lv,lv2,lv3,tipo)
{
  openCenteredPopUp('/mdct/eng/reserved/e-lectures/videoplayer/playerfset.jsp?tt='+tipo+'&lv='+lv+'&lv2='+lv2+'&lv3='+lv3+'&chDiv='+lv3,'pop','width=700, height=530,scrollbars=no');
}

function apriVid3(lv,lv2,lv3,tipo)
{
  openCenteredPopUp('/mdct/eng/reserved/e-lectures/videoplayer/playerfsetFLOW.jsp?tt='+tipo+'&lv='+lv+'&lv2='+lv2+'&lv3='+lv3+'&chDiv='+lv3,'pop','width=700, height=530,scrollbars=no');
}


function getFile(percorso){

 window.location.href="/mdct/eng/reserved/getFile.jsp?Fname="+percorso;

}


function changeVisibility(s){


     /*
    
  
        var sessions = new Array('Intro01','I01','II01','III01','IV01');
	var underSessions = new Array('I01-1','I01-2','I01-3','II01-1','II01-2','II01-3','II01-4','II01-5','II01-6','III01-1','III01-2','III01-3','IV01-1','IV01-2','IV01-3');

*/
	
	pre = "";
	post ="";
	
	if (s.indexOf("-") != -1) {
	 pre = s.substring(0,s.indexOf("-"));
	 post = s.substring(s.indexOf("-")+1);  
	} else
	{
	 pre = s;
	}
    
	if (post == "")
	{
	   var sessCont = document.getElementById(pre + "C");
	
		if (sessCont.style.display == 'none'){
			for(var i = 0; i < sessions.length; i++){
				if(sessions[i] != pre){
					hideSession(sessions[i]);
				}
			}
			showSession(pre);
		} else {
			hideSession(pre);
		}	
	 } else {
	    
		showSession(pre);
		
	    i = 1;
        
		while ( eval(document.getElementById(pre+"-"+i.toString())) != null) {
				
			    if (document.getElementById(pre+"-"+i.toString()).style.display == ""){
					hideSessionInt(pre+"-"+i.toString());
				} 
			
				i++;	
	     }
					showSessionInt(s);
	 
	 }
	 		
}

function showSession(s){

    document.getElementById(s + "C").style.display = '';
	document.getElementById(s + "T").style.color = '#FF9933';
	document.getElementById(s + "TH").style.color = '#FF9933';
}


function hideSession(s){
    
	document.getElementById(s + "C").style.display = 'none';
	document.getElementById(s + "T").style.color = '';
	document.getElementById(s + "TH").style.color = '';
	
	
	i = 1;
		
	while ( eval(document.getElementById(s+"-"+i.toString())) != null) {

		document.getElementById(s+"-"+i.toString()+"T").style.display = 'none';
    	document.getElementById(s+"-"+i.toString()+"TH").style.color = '';
		i++;	
    }

}

function showSessionInt(s){

	document.getElementById(s + "T").style.display = '';
	document.getElementById(s + "TH").style.color = '#FF9933';
	
}


function hideSessionInt(s){

	document.getElementById(s + "T").style.display = 'none';
	document.getElementById(s + "TH").style.color = '';

}

/* end video section */