function MM_findObj(n, d) { //v4.01
  var p,i,x;  
  if(!d) d=document; 
  if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; 
 n=n.substring(0,p);
  }
  if(!(x=d[n])&&d.all) 
 x=d.all[n]; 
  for (i=0;!x&&i<d.forms.length;i++) 
 x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++)
 x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById)
 x=d.getElementById(n); return x;
}

function MM_showHideLayers() { //v3.0
  
  var i,p,v,obj,args=MM_showHideLayers.arguments;

  Cla_hideLayers(args[3]);

  for (i=0; i<(args.length-3); i+=3)
  if ((obj=MM_findObj(args[i]))!=null) {
   v=args[i+2];
     if (obj.style) { 
   obj=obj.style;
   v= (v=='show')?'visible': 
       (v='hide') ? 'hidden': v; 
  }
     obj.visibility=v; 
 }
}


 var arr = ['i1','i2', 'i3', 'i4', 'i5','i6'];
 var arr2 = ['D1','D2','D3','D4','D5','D6','D7','D8','D9','D12','D13','D15','D20','D21'];

 function Cla_hideLayers(  arrPass ){
 	if( document.all ){
   		for( i=0; i<arrPass.length; i++){
			document.all[ arrPass[i] ].style.visibility = 'hidden';
  		}
 	} else {
   		for( i=0; i< arrPass.length; i++){
  			x = document.getElementById( arrPass[i] );
  			x.style.visibility = 'hidden';
 		}
 	}

 }

 function Cla_hideLayers2(  arrPass ){

 	if( document.all ){
   		for( i=0; i<arrPass.length; i++){
			document.all[ arrPass[i] ].style.visibility = 'hidden';
  		}
 	} else {

   		for( i=0; i< arrPass.length; i++){
  			x = document.getElementById( arrPass[i] );
			
  			x.style.visibility = 'hidden';
 		}
 	}

 }

/*/////////////////////////// CHANGE IMAGES ON LAYERS ///////////////////////////*/

function MM_findObj2(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_showHideLayers2() { //v3.0
  var i,p,v,obj,args=MM_showHideLayers2.arguments;
  for (i=0; i<(args.length-2); i+=3) if ((obj=MM_findObj2(args[i]))!=null) { v=args[i+2];
    if (obj.style) { obj=obj.style; v=(v=='show')?'visible':(v='hide')?'hidden':v; }
    obj.visibility=v; }
}