  <!--
      //function checks answer and changes puzimages if correct
    function CheckAnswer(form){




          //now begin checking answers
        if(form.whichone[0].checked && (form.answer.options[form.answer.selectedIndex].value == "smoking")){
           document.image017.src = "puzimages/S.gif"
           document.image032.src = "puzimages/M.gif"
           document.image047.src = "puzimages/O.gif"
           document.image062.src = "puzimages/K.gif"
           document.image077.src = "puzimages/I.gif"
           document.image092.src = "puzimages/N.gif"
           document.image107.src = "puzimages/G.gif"

           }
         else if(form.whichone[1].checked && (form.answer.options[form.answer.selectedIndex].value == "lung")){
		document.image011.src = "puzimages/L.gif"
		document.image026.src = "puzimages/U.gif"
		document.image041.src = "puzimages/N.gif"
		document.image056.src = "puzimages/G.gif"

           }
          else if(form.whichone[2].checked && (form.answer.options[form.answer.selectedIndex].value == "MDAnderson")){
		 document.image032.src = "puzimages/M.gif"
		 document.image033.src = "puzimages/D.gif"
		 document.image034.src = "puzimages/A.gif"
		 document.image035.src = "puzimages/N.gif"
		 document.image036.src = "puzimages/D.gif"
		 document.image037.src = "puzimages/E.gif"
		 document.image038.src = "puzimages/R.gif"
		 document.image039.src = "puzimages/S.gif"
		 document.image040.src = "puzimages/O.gif"
		 document.image041.src = "puzimages/N.gif"

           }
          else if(form.whichone[4].checked && (form.answer.options[form.answer.selectedIndex].value == "five")){
		   document.image076.src = "puzimages/F.gif"
		   document.image077.src = "puzimages/I.gif"
		   document.image078.src = "puzimages/V.gif"
		   document.image079.src = "puzimages/E.gif"

           }
          else if(form.whichone[5].checked && (form.answer.options[form.answer.selectedIndex].value == "genetherapy")){
		 document.image107.src = "puzimages/G.gif"
		 document.image108.src = "puzimages/E.gif"
		 document.image109.src = "puzimages/N.gif"
		 document.image110.src = "puzimages/E.gif"
		 document.image111.src = "puzimages/T.gif"
		 document.image112.src = "puzimages/H.gif"
		 document.image113.src = "puzimages/E.gif"
		 document.image114.src = "puzimages/R.gif"
		 document.image115.src = "puzimages/A.gif"
		 document.image116.src = "puzimages/P.gif"
		 document.image117.src = "puzimages/Y.gif"
            }
          else if(form.whichone[3].checked && (form.answer.options[form.answer.selectedIndex].value == "tobacco")){
		   document.image111.src = "puzimages/T.gif"
		   document.image126.src = "puzimages/O.gif"
		   document.image141.src = "puzimages/B.gif"
		   document.image156.src = "puzimages/A.gif"
		   document.image171.src = "puzimages/C.gif"
		   document.image186.src = "puzimages/C.gif"
		   document.image201.src = "puzimages/O.gif"

		   }

         else{

           alert("Sorry that is incorrect, please try again.")

           }

     }// end of checkanswer function


  //End -->