function On(imgName)  { 
	document [imgName].src = "pic/triangle-6-8.gif";
}
function On_in(imgName)  { 
	document [imgName].src = "pic/triangle-in-6-8.gif";
}

function Out(imgName)  {
	document [imgName].src = "pic/empty-6-8.gif";
}

function On1(imgName)  { 
	document [imgName].src = "pic/eng-a-30-17.gif";
}

function Out1(imgName)  {
	document [imgName].src = "pic/eng-30-17.gif";
}

function On2(imgName)  { 
	document [imgName].src = "pic/rus-30-17.gif";
}

function Out2(imgName)  {
	document [imgName].src = "pic/rus-a-30-17.gif";
}

function On3(imgName)  { 
	document [imgName].src = "pic/eng-in-a-30-17.gif";
}

function Out3(imgName)  {
	document [imgName].src = "pic/eng-in-30-17.gif";
}

function On4(imgName)  { 
	document [imgName].src = "pic/rus-in-30-17.gif";
}

function Out4(imgName)  {
	document [imgName].src = "pic/rus-in-a-30-17.gif";
}

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];}}
}

MM_preloadImages('pic/triangle-6-8.gif','pic/empty-6-8.gif','pic/eng-a-30-17.gif','pic/eng-30-17.gif','pic/rus-30-17.gif','pic/rus-a-30-17.gif','pic/eng-in-a-30-17.gif','pic/eng-in-30-17.gif','pic/rus-in-30-17.gif','pic/rus-in-a-30-17.gif','pic/triangle-in-6-8.gif');