function hesapla() 
{
	var ilk_deger=document.arama_form.fiyat.value;
	var adet=Math.floor(document.arama_form.fiyat.value.length/3);
	var yeni_deger='';
	
	for(i=1;i<=adet;i++) 
	{
		yeni_deger='.'+(document.arama_form.fiyat.value.substr(document.arama_form.fiyat.value.length-(i*3),3))+yeni_deger;
	}
	if((adet*3)!=document.arama_form.fiyat.value.length)
	{
		yeni_deger=document.arama_form.fiyat.value.substr(0,document.arama_form.fiyat.value.length-(adet*3))+yeni_deger;
	}
	else
	{
		yeni_deger=yeni_deger.substr(1);
	}
	document.arama_form.fiyat.value=yeni_deger+' YTL';
}