function MM_swapImgRestore() { //v3.0
	var i,x,a=document.MM_sr; 
	for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++){
	  if(x.name=="Image15"){
		_loadimage("0");
	  } else if(x.name=="Image16"){
		_loadimage("0");
	  } else if(x.name=="Image17"){
		_loadimage("0");
	  }
	  x.src=x.oSrc;
	}
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_findObj(n, d) { //v4.01
  if(n=="Image15"){
  	_loadimage("1");
  } else if(n=="Image16"){
  	_loadimage("2");
  } else if(n=="Image17"){
  	_loadimage("3");
  }
   
  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_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
 }
function _loadimage(id){
var myArray=['uploads/elearnix-2/images/topimage_1.jpg','uploads/elearnix-2/images/topimage_2.jpg','uploads/elearnix-2/images/topimage_3.jpg','uploads/elearnix-2/images/topimage_4.jpg'];
if(document.images){
var myIndex=Number(id);
var imgDiv=document.getElementById("myimageplace");
imgDiv.innerHTML="<img src='"+myArray[myIndex]+"' width='584' height='308'/>";
}
}
// vertical scrol