function controlDiv(id, noOfItems)
{
	for(i=1;i<=noOfItems;i++)
	{
		iobj	=	document.getElementById("pl_min"+i);
		cobj	=	document.getElementById("ans"+i);
		
		if(id != i)
		{
			cobj.style.display = "none";
			iobj.src = "images/expand.gif";
		}
	}

	iobj	=	document.getElementById("pl_min"+id);
	cobj	=	document.getElementById("ans"+id);

	if(cobj.style.display == "block")
	{
		cobj.style.display = "none";
		iobj.src = "images/expand.gif";
	}
	else
	{
		cobj.style.display = "block";
		iobj.src = "images/collapse.gif";
	}
}

function controlDiv1(id, noOfItems)
{
	for(i=1;i<=noOfItems;i++)
	{
		iobj	=	document.getElementById("pl_min"+i);
		cobj	=	document.getElementById("ans"+i);
		
		if(id != i)
		{
			cobj.style.display = "none";
			iobj.src = "images/expand.gif";
		}
	}

	iobj	=	document.getElementById("pl_min"+id);
	cobj	=	document.getElementById("ans"+id);

	if(cobj.style.display == "block")
	{
		cobj.style.display = "none";
		iobj.src = "images/expand.gif";
	}
	else
	{
		cobj.style.display = "block";
		iobj.src = "images/collapse.gif";
		ff1(id);
	}
}

prevDiv="problem";

/*<a href="javascript:void(0)" onclick="divShowHide('approch')">Approch</a>*/

function divShowHide(curDiv)
{
	var ancObj = document.getElementById(curDiv+"_link");	
	
	var curObj = document.getElementById(curDiv);	
	//if(curObj.style.display=="none")
	//{
		curObj.style.display="";
		ancObj.className="a13" ;
	//}
	/*else
	{
		curObj.style.display="none";
	}*/	
	//alert("prevDiv"+prevDiv+" curDiv"+curDiv);
	if(prevDiv!="" && prevDiv!= curDiv)
	{
		document.getElementById(prevDiv+"_link").className="a12";
		document.getElementById(prevDiv).style.display="none";
		prevDiv = curDiv;
	}
}