// JavaScript Document
var tm;
function defil(sens){
	
	var pas = 1;
	var timer = 1;
	
	var obj= document.getElementById("defil");
	
	var hDefil=obj.scrollHeight;
	
	if(sens == 'h'){
		num = obj.offsetTop + pas;
	}
	
	if(sens == 'b'){
		num = obj.offsetTop - pas;
	}
	
	//alert(num + ' < 0 ' + '&& ' + num + '> - (' + hDefil + ' - 305)' );
	
	if(num <= 0 && num >= - (hDefil - 300)){
		
		obj.style.top = num + 'px';
		
		tm  = setTimeout("defil('" + sens + "')", timer);
	
	}
}

function stopDefil(){
	
	clearTimeout(tm);
}