function hideAll() {
      document.getElementById("imagemap1").display = "none";
      document.getElementById("imagemap2").display = "none";
      document.getElementById("imagemap3").display = "none";
      document.getElementById("imagemap4").display = "none";
      document.getElementById("imagemap5").display = "none";
      document.getElementById("imagemap6").display = "none";
      document.getElementById("imagemap7").display = "none";
      document.getElementById("imagemap8").display = "none";
      document.getElementById("imagemap9").display = "none";
      document.getElementById("imagemap10").display = "none";
      document.getElementById("imagemap11").display = "none";
	  
      document.getElementById("imagemap12").display = "none";
      document.getElementById("imagemap13").display = "none";
      document.getElementById("imagemap14").display = "none";
      document.getElementById("imagemap15").display = "none";
      document.getElementById("imagemap16").display = "none";


      }
      
function doChange() {
            document.getElementById("imagemap1").style.display = "none";
            document.getElementById("imagemap2").style.display = "none";
            document.getElementById("imagemap3").style.display = "none";
            document.getElementById("imagemap4").style.display = "none";
            document.getElementById("imagemap5").style.display = "none";
            document.getElementById("imagemap6").style.display = "none";
            document.getElementById("imagemap7").style.display = "none";
            document.getElementById("imagemap8").style.display = "none";
            document.getElementById("imagemap9").style.display = "none";
            document.getElementById("imagemap10").style.display = "none";
            document.getElementById("imagemap11").style.display = "none";
			
            document.getElementById("imagemap12").style.display = "none";
            document.getElementById("imagemap13").style.display = "none";
            document.getElementById("imagemap14").style.display = "none";
            document.getElementById("imagemap15").style.display = "none";
            document.getElementById("imagemap16").style.display = "none";

			
			
            var selectBox = document.forms[0].changer;

            var user_input = selectBox.options[selectBox.selectedIndex].value;
            document.getElementById(user_input).style.display = "block";
			

	
      }
	  function doChange1(abc) {
		 
            document.getElementById("imagemap1").style.display = "none";
            document.getElementById("imagemap2").style.display = "none";
            document.getElementById("imagemap3").style.display = "none";
            document.getElementById("imagemap4").style.display = "none";
            document.getElementById("imagemap5").style.display = "none";
            document.getElementById("imagemap6").style.display = "none";
            document.getElementById("imagemap7").style.display = "none";
            document.getElementById("imagemap8").style.display = "none";
            document.getElementById("imagemap9").style.display = "none";
            document.getElementById("imagemap10").style.display = "none";
            document.getElementById("imagemap11").style.display = "none";
			
            document.getElementById("imagemap12").style.display = "none";
            document.getElementById("imagemap13").style.display = "none";
            document.getElementById("imagemap14").style.display = "none";
            document.getElementById("imagemap15").style.display = "none";
            document.getElementById("imagemap16").style.display = "none";
								  
			
			

if(abc==1)
		  {

var		  user_input="imagemap1";
		  }
		  if(abc==2)
		  {
			  var		  user_input="imagemap2";
		  }
		  if(abc==3)
		  {
			  var		  user_input="imagemap3";
		  }
		  if(abc==4)
		  {
			  var		  user_input="imagemap4";
		  }
		  if(abc==5)
		  {
			  var		  user_input="imagemap5";
		  }

		  if(abc==6)
		  {
			  var		  user_input="imagemap6";
		  }

		  if(abc==7)
		  {
			  var		  user_input="imagemap7";
		  }

		  if(abc==8)
		  {
			  var		  user_input="imagemap8";
		  }

		  if(abc==9)
		  {
			  var		  user_input="imagemap9";
		  }

		  if(abc==10)
		  {
			  var		  user_input="imagemap10";
		  }

		  if(abc==11)
		  {
			  var		  user_input="imagemap11";
		  }


		  if(abc==12)
		  {
			  var		  user_input="imagemap12";
		  }

		  if(abc==13)
		  {
			  var		  user_input="imagemap13";
		  }

		  if(abc==14)
		  {
			  var		  user_input="imagemap14";
		  }

		  if(abc==15)
		  {
			  var		  user_input="imagemap15";
		  }

		  if(abc==16)
		  {
			  var		  user_input="imagemap16";
		  }

            document.getElementById(user_input).style.display = "block";
			

	
      }