function sadeceNumerik(e)
{
    var unicode = e.charCode ? e.charCode : e.keyCode;

//if the key isn't the backspace key (which we should allow)
if( unicode != 8 )
{
//if not a number
if(unicode==32 || unicode == 46)
{
return true;
}
else if( unicode < 48 || unicode > 57 )
{
//disable key press
return false;
}//end if
else
{
// enable keypress
return true;
}//end else
}//end if
else
{
// enable keypress
return true;
}//end else

}

function classDegis(gelenNesne) {
	    var nesne=document.getElementById(gelenNesne).value;

	    for(i=0; i < document.getElementById("menu").getElementsByTagName("li").length; i++)
	    {
		document.getElementById("menu").getElementsByTagName("li")[i].className="";
		document.getElementById("menu").getElementsByTagName("li")[nesne].className="aktif";
	    }
}

function EkstraResim() {
    var dvSeffaf = document.getElementById("seffafPen").style;
    dvSeffaf.display = "block";
}

function Temizle(txtNesne, eskiDeger) {
    var nesne = document.getElementById(txtNesne);
    var yeniDeger = nesne.value;
    
    if(yeniDeger==eskiDeger)
        nesne.value="";
        
    nesne.onblur= new Function("evt","txtDoldur('" +txtNesne + "','" + eskiDeger + "');");
}
function txtDoldur(txtNesne,icerik) {
    var nesne = document.getElementById(txtNesne);
    var yeniDeger = nesne.value;
 
    if(yeniDeger=="")
        nesne.value=icerik;
}