var numOfDivs = 3;
var prefix;

function init(num,pre) {
 numOfDivs = num;
 prefix = pre;
}

function unhide(divID) {
    var item = document.getElementById(prefix + divID);
	//var item_h = document.getElementById(divID_h);
    //var hint = document.getElementById(divID + "_hint");
	
    if (item) {
        //if(item.className == 'hidden') {
          item.className = 'unhidden';

		  for(var i=1;i<=numOfDivs;i++) {
		    if(i != divID) {
			var div = document.getElementById(prefix + i);
			if(div)
				div.className = 'hidden';
			}
		  }
		  //item[x].className = 'hidden';
		   /*hint.firstChild.nodeValue = "<img src='../images/open.gif'>";*/
         //hint.firstChild.nodeValue = '(click to minimize chapter list)';
        //}
      /* else {
          item_h.className = 'hidden';
          /*hint.firstChild.nodeValue = "<img src='../images/closed.gif'>";*/
        //hint.firstChild.nodeValue = '(click to expand chapter list)';
        //item.className=(item.className=='hidden')?'unhidden':'hidden';
        //}
    }
	if (divID==1){// the MyHomeTutor tab was clicked
		 document.getElementById("p1").className = "select0";
 		 document.getElementById("p2").className = "select_sub1";
		 document.getElementById("p3").className = "p2";
		 document.getElementById("p4").className = "p2";
		 document.getElementById("p5").className = "p5";
		 document.getElementById("p6").className = "p6";
		 document.getElementById("p7").className = "p7";
 		 document.getElementById("p8").className = "p7";
		 document.getElementById("p9").className = "p9";  

		 document.getElementById("n2").className = "select0";
		 document.getElementById("n3").className = "p2";
		 document.getElementById("n4").className = "p2";
		 document.getElementById("n5").className = "p2";
		 
	}
	else if (divID==2){// the MyHomeTutor tab was clicked
		 document.getElementById("p1").className = "select0";
 		 document.getElementById("p2").className = "p2";
		 document.getElementById("p3").className = "select_sub1";
		 document.getElementById("p4").className = "p2";
		 document.getElementById("p5").className = "p5";
		 document.getElementById("p6").className = "p6";
		 document.getElementById("p7").className = "p7";
 		 document.getElementById("p8").className = "p7";
		 document.getElementById("p9").className = "p9";
		 
		 document.getElementById("n2").className = "p2";
		 document.getElementById("n3").className = "select0";
		 document.getElementById("n4").className = "p2";
		 document.getElementById("n5").className = "p2";
		  
	}
	else if (divID==3){// the MyHomeTutor tab was clicked
		 
		 document.getElementById("p1").className = "select0";
 		 document.getElementById("p2").className = "p2";
		 document.getElementById("p3").className = "p2";
		 document.getElementById("p4").className = "select_sub1";
		 document.getElementById("p5").className = "p5";
		 document.getElementById("p6").className = "p6";
		 document.getElementById("p7").className = "p7";
 		 document.getElementById("p8").className = "p7";
		 document.getElementById("p9").className = "p9"; 
		 alert(document.getElementById("n4").className);

		 document.getElementById("n2").className = "p2";
		 document.getElementById("n3").className = "select_sub1";
		 document.getElementById("n4").className = "p2";
		 document.getElementById("n5").className = "p2";
		  
	}
	else if (divID==4){// the MyHomeTutor tab was clicked
     	 document.getElementById("p1").className = "select0";
 		 document.getElementById("p2").className = "p2";
		 document.getElementById("p3").className = "p2";
		 document.getElementById("p4").className = "p2";
		 document.getElementById("p5").className = "select_sub2";
		 document.getElementById("p6").className = "p6";
		 document.getElementById("p7").className = "p7";
 		 document.getElementById("p8").className = "p7";
		 document.getElementById("p9").className = "p9";
		 
		 document.getElementById("n2").className = "p2";
		 document.getElementById("n3").className = "p2";
		 document.getElementById("n4").className = "p2";
		 document.getElementById("n5").className = "select0";
		  
	}
	
	else if (divID==5){// the MyHomeTutor tab was clicked
 		 //document.getElementById("p7").style.backgroundImage = "url(images/navleft/select_1.png)";
		 document.getElementById("p1").className = "p1";
		 document.getElementById("p2").className = "p2";
		 document.getElementById("p3").className = "p2";
		 document.getElementById("p4").className = "p2";
		 document.getElementById("p5").className = "p5";
		 document.getElementById("p6").className = "p6";
		 document.getElementById("p7").className = "select1";
 		 document.getElementById("p8").className = "p7";
		 document.getElementById("p9").className = "p9";
	}
	else if (divID==6){
		 document.getElementById("p1").className = "p1";
		 document.getElementById("p2").className = "p2";
		 document.getElementById("p3").className = "p2";
		 document.getElementById("p4").className = "p2";
		 document.getElementById("p5").className = "p5";
		 document.getElementById("p6").className = "p6";
 		 document.getElementById("p7").className = "p7";
 		 document.getElementById("p8").className = "select1";
		 document.getElementById("p9").className = "p9";		
	}
	else if (divID==7){
		 document.getElementById("p1").className = "p1";
		 document.getElementById("p2").className = "p2";
		 document.getElementById("p3").className = "p2";
		 document.getElementById("p4").className = "p2";
		 document.getElementById("p5").className = "p5";
		 document.getElementById("p6").className = "p6";
	     document.getElementById("p7").className = "p7";
 		 document.getElementById("p8").className = "p7";
		 document.getElementById("p9").className = "select2";		
	}
}

function unhideNews(divID) {
    var item = document.getElementById(prefix + divID);
	//var item_h = document.getElementById(divID_h);
    //var hint = document.getElementById(divID + "_hint");
	
    if (item) {
        //if(item.className == 'hidden') {
          item.className = 'unhidden';

		  for(var i=1;i<=numOfDivs;i++) {
		    if(i != divID) {
			var div = document.getElementById(prefix + i);
			if(div)
				div.className = 'hidden';
			}
		  }
		  //item[x].className = 'hidden';
		   /*hint.firstChild.nodeValue = "<img src='../images/open.gif'>";*/
         //hint.firstChild.nodeValue = '(click to minimize chapter list)';
        //}
      /* else {
          item_h.className = 'hidden';
          /*hint.firstChild.nodeValue = "<img src='../images/closed.gif'>";*/
        //hint.firstChild.nodeValue = '(click to expand chapter list)';
        //item.className=(item.className=='hidden')?'unhidden':'hidden';
        //}
    }
	if (divID==1){// 2006 was clicked
		 document.getElementById("n2").className = "p2";
		 document.getElementById("n3").className = "p2";
		 document.getElementById("n4").className = "p2";
		 document.getElementById("n5").className = "select_sub1";
		 
	}
	else if (divID==2){// 2007 was clicked

		 document.getElementById("n2").className = "p2";
		 document.getElementById("n3").className = "p2";
		 document.getElementById("n4").className = "select_sub1";
		 document.getElementById("n5").className = "p2";
		  
	}
	else if (divID==3){// 2008 was clicked


		 document.getElementById("n2").className = "p2";
		 document.getElementById("n3").className = "select_sub1";
		 document.getElementById("n4").className = "p2";
		 document.getElementById("n5").className = "p2";
		  
	}
	else if (divID==4){// 2009 was clicked
  
		 document.getElementById("n2").className = "select_sub1";
		 document.getElementById("n3").className = "p2";
		 document.getElementById("n4").className = "p2";
		 document.getElementById("n5").className = "p2";
		  
	}


}




function bottomSect(){
	
	document.write('&copy; Copyright 2009. Blue Orange Pte Ltd');
}

function helpSect(x){
	
	if(x=="1")
	{
		document.write('<p class="marTop"><img src="images/help_icon.jpg" width="18" height="18" align="absmiddle" /> &nbsp;Click on the links below to go into the corresponding chapters</p>');
	}
	else
	{
	document.write('<p class="marTop"><img src="images/help_icon.jpg" width="18" height="18" align="absmiddle" /> &nbsp;Click on the links below to play the videos</p>');
	}
	
}

function fullScreen(theURL) {
   var width = screen.width;
   var height = screen.height;
         
   //theURL = theURL + '&width=' + width + '&height=' + height;         
   
   window.open(theURL, 'Video', 'scrollbars=auto, width=' + width + ', height=' + height + ', left=0, top=0');
}

function showhide(showhide)
{
	var contentStatus = document.getElementById(showhide);
	if (contentStatus.style.display != "none") 
	{
		contentStatus.style.display = "none";	
	}
	else 
	{
		//items are currently hidden, so display them
		contentStatus.style.display = "block";		
	}
}