var increase, decrease;
function decreaseSizeImage()
{
if(increase != null) {clearTimeout(increase); increase = null;};
if (document.getElementById("1").height > 120)
{
document.getElementById("1").height-= 1;
document.getElementById("1").width -= 1;
decrease = setTimeout("decreaseSizeImage()", 4);
};
}
function increaseSizeImage()
{
if(decrease != null) {clearTimeout(decrease); decrease = null;};
if (document.getElementById("1").height < 150)
{
document.getElementById("1").height += 2;
document.getElementById("1").width += 2;
increase = setTimeout("increaseSizeImage()", 6);
};
}

function decreaseSizeImage1()
{
if(increase != null) {clearTimeout(increase); increase = null;};
if (document.getElementById("2").height > 120)
{
document.getElementById("2").height -= 2;
document.getElementById("2").width -= 2;
decrease = setTimeout("decreaseSizeImage1()", 4);
};
}
function increaseSizeImage1()
{
if(decrease != null) {clearTimeout(decrease); decrease = null;};
if (document.getElementById("2").height < 150)
{
document.getElementById("2").height += 2;
document.getElementById("2").width += 2;
increase = setTimeout("increaseSizeImage1()", 6);
};
}

function decreaseSizeImage3()
{
if(increase != null) {clearTimeout(increase); increase = null;};
if (document.getElementById("3").height > 120)
{
document.getElementById("3").height -= 2;
document.getElementById("3").width -= 2;
decrease = setTimeout("decreaseSizeImage3()", 4);
};
}
function increaseSizeImage3()
{
if(decrease != null) {clearTimeout(decrease); decrease = null;};
if (document.getElementById("3").height < 150)
{
document.getElementById("3").height += 2;
document.getElementById("3").width += 2;
increase = setTimeout("increaseSizeImage3()", 6);
};
}