function position(q){
	window.scroll(0,q);
}
function ButDisable(st){
	var a = document.getElementById('formsend');
	var b = document.getElementById('but');
 	if(st == true){
 		a.disabled = false;
 		b.disabled = true;
 	}
 	if(st == false){
 		a.disabled = true;
 		b.disabled = false;
 	}
}

function savepos(pos){
	var today = new Date();
	d = new Date(today.getTime() + (6000));
	document.cookie = "vposition="+pos+";expires="+d.toGMTString();
}

function formsbmit(){
	var pritoloka = document.AllForm.pritoloka.value;
	if(pritoloka > 0){
		savepos(window.scrollY);
		document.AllForm.submit();
	}else{
		alert("введите размер притолоки!");
		return false;
	}
}

function keyblock(event){
	var key = event.keyCode;
	if (key == 0){
		key = event.charCode;
	}
	if ((key == 8)||((key >= 48)&&(key <= 57))||((key >= 37)&&(key <= 40))){
		event.returnValue = true;
		ButDisable(false);
		return true;
	}
	event.returnValue = false;return false;
}