function fn_large()
{

document.getElementById('myImage').style.height = '300px';
document.getElementById('myImage').style.width ="400px";
}
function fn_normal()
{

document.getElementById('myImage').style.height = '150px';
document.getElementById('myImage').style.width ="200px";
}
function fn_large1()
{

document.getElementById('myImage1').style.height = '300px';
document.getElementById('myImage1').style.width ="400px";
}
function fn_normal1()
{

document.getElementById('myImage1').style.height = '150px';
document.getElementById('myImage1').style.width ="200px";
}
function fn_large2()
{

document.getElementById('myImage2').style.height = '300px';
document.getElementById('myImage2').style.width ="400px";
}
function fn_normal2()
{

document.getElementById('myImage2').style.height = '150px';
document.getElementById('myImage2').style.width ="200px";
}