var openImg = new Image();
openImg.src = "images/open.gif";
var closedImg = new Image();
closedImg.src = "images/closed.gif";

function showBranch(branch){
	var objBranch = document.getElementById(branch).style;
	if(objBranch.display=="block")
		objBranch.display="none";
	else
		objBranch.display="block";
	swapFolder('I' + branch);
}

function swapFolder(img){
	objImg = document.getElementById(img);
	if(objImg.src.indexOf('closed.gif')>-1)
		objImg.src = openImg.src;
	else
		objImg.src = closedImg.src;
}

function selectBranch(text)
{
	var frm = document.change;
	var bool = false;
	var c = 0, k = 0;
	var namearray = Array();
    var FirstName = "", fullvalue = "";
	var textArray = Array();
	textArray = text.split("-");	
	for(var i=0; i < frm.elements.length; i++)
	{
 		if(frm.elements[i].type == "checkbox")
		{
 			if(frm.elements[i].name == text)
				bool = frm.elements[i].checked;
 		}
	}
 	textArray = text.split("-"); 
	c = textArray.length;
	for(i=0; i < frm.elements.length; i++)
	{
		FirstName = frm.elements[i].name.substring(0,4);		
		if(frm.elements[i].type == "checkbox" && FirstName != "show")
		{
			namearray = frm.elements[i].name.split("-"); 
			if(frm.elements[i].name.length >= c)
			{	
				for(k =0;  k < c; k++)
				{
					if(fullvalue == "")
						fullvalue = namearray[k];
					else	
						fullvalue += "-"+namearray[k];
				}
				if(text == fullvalue)
					frm.elements[i].checked = bool;				
				fullvalue = "";
			}
 		}
	}
}