function showpic(e)
{
    document.getElementById("show_pic").innerHTML = "<img src='"+e+"' alt='بستن'/>";
    
    var s = new Array();
    s = document.getElementById("show_pic").style.filter.split("=");
    s=s[s.length-1].split(')');
    fadein(s[0],10);
}

function hidepic()
{
    var s = new Array();
    s = document.getElementById("show_pic").style.filter.split("=");
    s=s[s.length-1].split(')');
    fadeout(s[0],10);
}


function fadeout(i,speed)
{
    if(i>0)
    {
        i=i-5;
        document.getElementById("show_pic").style.filter = "alpha(opacity="+eval(i)+")";
        setTimeout("fadeout("+i+")",speed);
    }else{
        document.getElementById("show_pic").style.display = "none";
    }
}

function fadein(i,speed)
{
    document.getElementById("show_pic").style.display = "Block";
    if(i<100)
    {
        i=i+5;
        document.getElementById("show_pic").style.filter = "alpha(opacity="+eval(i)+")";
        setTimeout("fadein("+i+")",speed);
    }
}