var one_day=1000*60*60*24 //Set 1 day in milliseconds

today=new Date()
//var christmas=new Date(today.getFullYear(), 11, 25) //Month is 0-11 in JavaScript
//if (today.getMonth()==11 && today.getDate()>25)
//christmas.setFullYear(christmas.getFullYear()+1)

function guncelle1(){
	sure=gunsay('gg2','ga2','gy2','gg1','ga1','gy1')
	document.getElementById('sure1').value = sure
}

function guncelle2(){
	sure=gunsay('cg2','ca2','cy2','cg1','ca1','cy1')
	document.getElementById('sure2').value = sure
}

function gunsay(p1,p2,p3,p4,p5,p6){//gun2 ay2 yil2 ve gun1 ay1 yil1
	g2=document.getElementById(p1).value
	a2=document.getElementById(p2).value
	y2=document.getElementById(p3).value
	g1=document.getElementById(p4).value
	a1=document.getElementById(p5).value
	y1=document.getElementById(p6).value

	var gun1=new Date(y1, a1-1, g1)
	var gun2=new Date(y2, a2-1, g2)
	var fark=Math.ceil( (gun2.getTime()-gun1.getTime()) / one_day)
	if (fark<0) {fark=0}
	return(fark);
}