function displayhide(vardis,varhid)
{
    document.getElementById(vardis).style.display="";
    document.getElementById(vardis+"tab").style.backgroundImage = "url(../images/lepai_def3_1033.gif)";
    document.getElementById(vardis+"tab").style.fontWeight = "bolder";
    document.getElementById(vardis+"a").style.color = "white";
    
    document.getElementById(varhid).style.display="none";
    document.getElementById(varhid+"tab").style.backgroundImage = "url(../images/lepai_def3_1011.gif)";
    document.getElementById(varhid+"tab").style.fontWeight = "bolder";
    document.getElementById(varhid+"a").style.color = "#323232";
}