function toButton(id){
	el = document.getElementById(id);
	if(!el){alert('Can`t find element with id ="'+id+'"');return false};
	el.onmousedown = function(){el.className = "onpress"};
	el.onmouseout = function(){el.className = el.className.replace("onpress","")};
	el.onmouseup = function(){el.className = el.className.replace("onpress","")};
}

function validate(form){
	prr(window.tigers);return false;
}