for (i=1;i<5;i++)
{
eval('menu'+i+'on = new Image ()');
eval('menu'+i+'on.src ="'+ path+'menu'+i+'on.jpg"');
eval('menu'+i+'off = new Image ()');
eval('menu'+i+'off.src ="'+ path+'menu'+i+'off.jpg"');
}


function showon(id)
{
eval('document.'+id+'.src='+id+'on.src');
}
function showoff(id)
{
eval('document.'+id+'.src='+id+'off.src');
}


function changeprice(n,price)
{       
if (eval('document.form1.'+n+'.checked==true'))
{
temp=parseFloat(document.form1.korzina.value);
price=parseFloat(price);
document.form1.korzina.value=parseFloat(temp + price);
}
else
{
temp=parseFloat(document.form1.korzina.value);
price=parseFloat(price);
document.form1.korzina.value=parseFloat(temp - price);
}
}

function openwindow(url,width,height)
{
temp=document.title;
window.open(url,'','width='+width+',height='+height+',screenX=10,screenY=20,left=10,top=20,toolbar=0,scrollbars=1,menubar=0,resizable=1');
document.title=temp;
}