var o1,o2,o3,o4,o5;
var optionCurrent;
var option;
var nowLoaded=0;
if (document.images)
imag=new Array();
imag[0]="but12.jpg";
imag[1]="but1.jpg";
imag[2]="button_02_1.jpg";  
imag[3]="button_02_0.jpg";
imag[4]="button_03_1.jpg";
imag[5]="button_03_0.jpg";
imag[6]="button_04_1.jpg";
imag[7]="button_04_0.jpg";
imag[8]="button_05_1.jpg";
imag[9]="button_05_0.jpg";


im=new Array();

for(var i=0;i<imag.length;i++)
{
im[i]=new Image();
im[i].src=imag[i];
} 


function toggleImage(imgName,num)
{
 if(document.images)
   {
    if (optionCurrent==imgName.name)
     {
      return;
     }
    imgName.src=im[num].src;
   }
  return;
}

function setButtons(opt)
{
 if(document.images)
  {
   option=opt;
   optionCurrent='o' + option;

    if(option==1)  
     {
      document.o1.src=im[1].src; 
     }
      else
       {
        document.o1.src=im[0].src;  
       }

   if(option==2)  
     {
      document.o2.src=im[3].src; 
     }
      else
       {
        document.o2.src=im[2].src;  
       }

   if(option==3)  
     {
      document.o3.src=im[5].src; 
     }
      else
       {
        document.o3.src=im[4].src;  
       }

    if(option==4)  
     {
      document.o4.src=im[7].src; 
     }
      else
       {
        document.o4.src=im[6].src;  
       }

    if(option==5)  
     {
      document.o5.src=im[9].src; 
     }
      else
       {
        document.o5.src=im[8].src;  
       }

   }
}