var cminus="-";
var cplus="+<br /><br />";


var vvbnet = "1";
var vphp = "1";
var vjs = "1";

var objJSArea="";
var objJSButton="";

var objVBNetArea="";
var objVBNetButton="";

var objPHPArea="";
var objPHPButton="";



function expand_collapse(areaChange)
{

  if (areaChange=="js")
	{
	  if (vjs=="1")
		{
		  objJSArea.style.display="none";
			vjs=0;
			objJSButton.innerHTML=cplus;
		}
	  else
		{
		  objJSArea.style.display="block";
			vjs=1;
			objJSButton.innerHTML=cminus;
		}
	}
	
	if (areaChange=="vbnet")
	{
	  if (vvbnet=="1")
		{
		  objVBNetArea.style.display="none";
			vvbnet=0;
			objVBNetButton.innerHTML=cplus;
		}
	  else
		{
		  objVBNetArea.style.display="block";
			vvbnet=1;
			objVBNetButton.innerHTML=cminus;
		}
	}
	
	
	if (areaChange=="php")
	{
	  if (vphp=="1")
		{
		  objPHPArea.style.display="none";
			vphp=0;
			objPHPButton.innerHTML=cplus;
		}
	  else
		{
		  objPHPArea.style.display="block";
			vphp=1;
			objPHPButton.innerHTML=cminus;
		}
	}
	
	
}

function init()
{

  objJSArea=document.getElementById("jsArea");
	objJSButton=document.getElementById("js_button");
	
  objVBNetArea=document.getElementById("vbNetArea");
	objVBNetButton=document.getElementById("vbnet_button");

  objPHPArea=document.getElementById("phpArea");
	objPHPButton=document.getElementById("php_button");

}