function Calendar(E,T){
	 if(!document.getElementById||!document.body.appendChild)return
	 var i,j,tBody,Row,od,Do,d,dt,d,m
	 function cEl(t,p,h,w){
	  p.appendChild(t=document.createElement(t))
	  if(h)t.innerHTML=h;if(w)t.style.width='27px'
	  return t}
	 function cB(x){with(cld_BlaTek){
	  B=0;x==0?R--:x==1?R++:x==2?(!M?(M=11,R--):M--):(M==11?(M=0,R++):M++)}
	 }
	 with(cld_BlaTek){
	  od=Date.UTC(R,M,1);Do=Date.UTC(R,M+1,1)}
	 E=document.getElementById(E)
	 while(E.childNodes.length)E.removeChild(E.firstChild)
	 tBody=cEl('tbody',cEl('table',E))
	 tBody.onmouseup=function(){T.focus()}
	 tBody.onmousemove=function(){
	  if(window.getSelection)window.getSelection().removeAllRanges()}
	 Row=cEl('tr',tBody)
	 cEl('td',Row,'«',1).onmousedown=function(){cB(0)}
	 cEl('th',Row,cld_BlaTek.R)
	 cEl('td',Row,'»',1).onmousedown=function(){cB(1)}
	 Row=cEl('tr',tBody)
	 cEl('td',Row,'«',1).onmousedown=function(){cB(2)}
	 cEl('th',Row,cld_BlaTek.month[cld_BlaTek.M])
	 cEl('td',Row,'»',1).onmousedown=function(){cB(3)}
	
	 tBody=cEl('tbody',cEl('table',E))
	 Row=cEl('tr',tBody)
	 for(i=0;i<7;i++)
	  with(cEl('th',Row,cld_BlaTek.day[i]))
	   if(i==6)style.backgroundColor='#f88'
	
	 for(i=od;i<Do;i+=86400000){
	  with(new Date(i)){d=getUTCDate();dt=getUTCDay()}
	  if(dt==1||i==od)Row=cEl('tr',tBody)
	  if(dt!=1&&d==1)for(j=1;j<(dt?dt:7);j++)cEl('th',Row)
	  dt=cEl('td',Row,d);dt.onmousedown=function(x){
	   x=+this.innerHTML
	   with(cld_BlaTek) {
	    d = (x<10?'0'+x:x)
		m = ((x=M+1)<10?'0'+x:x)
		T.value=R+'-'+m+'-'+d
	   }
	  }
	  with(cld_BlaTek)
	  if(d==D.getDate()&&M==D.getMonth()&&R==D.getFullYear())
	   dt.style.backgroundColor='#fff'
	 }
	 T.onblur=function(){if(cld_BlaTek.B)E.style.display='none'}
	 cld_BlaTek.B=1;E.style.display='block'
	 
	}
	
	
	//global object (You can translate month&day names)
	cld_BlaTek={
	 day:['pn','wt','śr','cz','pt','so','n'],
	 month:['styczeń','luty','marzec','kwiecień','maj','czerwiec',
	 'lipiec','sierpień','wrzesień','październik','listopad','grudzień'],
	 D:new Date(),M:new Date().getMonth(),R:new Date().getFullYear()
	}