function showLayer(i)
{
eval("if (LeftMenu" + i + ".className == 'noneDisplay') LeftMenu" + i + ".className = 'blockDisplay'; else LeftMenu" + i + ".className = 'noneDisplay';");
eval("if (LeftMenu" + i + ".className == 'noneDisplay') document.ar" + i + ".src = '/img/treug.gif'; else document.ar" + i + ".src = '/img/treug_down.gif';");
eval("LeftMenu9.className = 'noneDisplay';");
for (j = 1; j < 14; j ++)
{
if (j != i) 
{
eval("LeftMenu" + j + ".className = 'noneDisplay';");
eval("ar" + j + ".src = '/img/treug.gif';");
}
}
return false;
}