function mouseOvereng1()
{
document.getElementById("button1-eng").src ="menu/home2-eng.png";
}
function mouseOuteng1()
{
document.getElementById("button1-eng").src ="menu/home-eng.png";
}

function mouseOvereng2()
{
document.getElementById("button2-eng").src ="menu/structure2-eng.png";
}
function mouseOuteng2()
{
document.getElementById("button2-eng").src ="menu/structure-eng.png";
}

function mouseOvereng3()
{
document.getElementById("button3-eng").src ="menu/mission2-eng.png";
}
function mouseOuteng3()
{
document.getElementById("button3-eng").src ="menu/mission-eng.png";
}

function mouseOvereng4()
{
document.getElementById("button4-eng").src ="menu/document2-eng.png";
}
function mouseOuteng4()
{
document.getElementById("button4-eng").src ="menu/document-eng.png";
}

function mouseOvereng5()
{
document.getElementById("button5-eng").src ="menu/production2-eng.png";
}
function mouseOuteng5()
{
document.getElementById("button5-eng").src ="menu/production-eng.png";
}

function mouseOvereng6()
{
document.getElementById("button6-eng").src ="menu/contact2-eng.png";
}
function mouseOuteng6()
{
document.getElementById("button6-eng").src ="menu/contact-eng.png";
}





function mouseOverrus1()
{
document.getElementById("button1-rus").src ="menu/home2-rus.png";
}
function mouseOutrus1()
{
document.getElementById("button1-rus").src ="menu/home-rus.png";
}

function mouseOverrus2()
{
document.getElementById("button2-rus").src ="menu/structure2-rus.png";
}
function mouseOutrus2()
{
document.getElementById("button2-rus").src ="menu/structure-rus.png";
}

function mouseOverrus3()
{
document.getElementById("button3-rus").src ="menu/mission2-rus.png";
}
function mouseOutrus3()
{
document.getElementById("button3-rus").src ="menu/mission-rus.png";
}

function mouseOverrus4()
{
document.getElementById("button4-rus").src ="menu/document2-rus.png";
}
function mouseOutrus4()
{
document.getElementById("button4-rus").src ="menu/document-rus.png";
}

function mouseOverrus5()
{
document.getElementById("button5-rus").src ="menu/production2-rus.png";
}
function mouseOutrus5()
{
document.getElementById("button5-rus").src ="menu/production-rus.png";
}

function mouseOverrus6()
{
document.getElementById("button6-rus").src ="menu/contact2-rus.png";
}
function mouseOutrus6()
{
document.getElementById("button6-rus").src ="menu/contact-rus.png";
}





function mouseOvergeo1()
{
document.getElementById("button1-geo").src ="menu/home2-geo.png";
}
function mouseOutgeo1()
{
document.getElementById("button1-geo").src ="menu/home-geo.png";
}

function mouseOvergeo2()
{
document.getElementById("button2-geo").src ="menu/structure2-geo.png";
}
function mouseOutgeo2()
{
document.getElementById("button2-geo").src ="menu/structure-geo.png";
}

function mouseOvergeo3()
{
document.getElementById("button3-geo").src ="menu/mission2-geo.png";
}
function mouseOutgeo3()
{
document.getElementById("button3-geo").src ="menu/mission-geo.png";
}

function mouseOvergeo4()
{
document.getElementById("button4-geo").src ="menu/document2-geo.png";
}
function mouseOutgeo4()
{
document.getElementById("button4-geo").src ="menu/document-geo.png";
}

function mouseOvergeo5()
{
document.getElementById("button5-geo").src ="menu/production2-geo.png";
}
function mouseOutgeo5()
{
document.getElementById("button5-geo").src ="menu/production-geo.png";
}

function mouseOvergeo6()
{
document.getElementById("button6-geo").src ="menu/contact2-geo.png";
}
function mouseOutgeo6()
{
document.getElementById("button6-geo").src ="menu/contact-geo.png";
}