var eON = null;
var gON = null;

//show first set of questions if first radio button is selected

function swap2() { 
  eON = !eON;
  if(eON == true) {
    document.getElementById("f").style.display = 'none';
    document.getElementById("e").style.display = 'block';
  } else {
    document.getElementById("f").style.display = 'block';
    document.getElementById("e").style.display = 'none';
  } 
     
}

function swap3() { 
  gON = !gON;
  if(gON == true) {
    document.getElementById("h").style.display = 'none';
    document.getElementById("g").style.display = 'block';
  } else {
    document.getElementById("h").style.display = 'block';
    document.getElementById("g").style.display = 'none';
  } 
     
}


var questionFlag = true;

function showPhone(element){

 
/* takes care of case where nothing is selected */
	if(element.checked == true) { 
    	eON = false;     	   	    		  	
		swap2();	
		gON =true;    		
   		swap3();    		
	} 	
		
}

function showOther(element){

 
/* takes care of case where nothing is selected */
	if(element.checked == true) { 
    	gON = false;     	   	    		  	
		swap3();	
		eON = true;     	   	    		  	
		swap2();			
	} 
				
}