function toggle(elem,btn){

	var elementStyle=document.getElementById(elem).style;
	var btnStyle=document.getElementById(btn).style;
	if (elementStyle.display!="none"){
		//alert("display = "+elementStyle.display);
		elementStyle.display="none";
		//elementStyle.height="0";
		//elementStyle.visibility="visible";
		btnStyle.backgroundPosition = '0px 0px';
	} else { 
		//alert("display = hidden");
		elementStyle.display="block";
		//elementStyle.height="auto";
		//elementStyle.visibility="visible";
		btnStyle.backgroundPosition = '0px -10px';
	}
}

function EvalSound(soundobj) {
	var thissound=document.getElementById(soundobj);
	thissound.Play();
}

$(document).ready(function() {
	
	$('#cookbook_pg').html($('#pg-1').html());
	$('#page_no').html('1');
	
	$('.btn').css("background-color","#fff");
	$('.btn').hover(function() {
					$(this).css({backgroundColor:'#999', border:'#000 1px solid'})},
					function() {
					$(this).css({backgroundColor:'#fff', border:'#333 1px solid'})}
					);

	$('#pg_down').click(function() {
		var pg_no = parseInt($('#page_no').html());
		if(pg_no > 1) {
			var new_ = pg_no-1;
			$('#cookbook_pg').html($('#pg-'+new_).html());
			$('#page_no').html(new_);
		}
	});
	
	$('#pg_up').click(function() {
		var pg_no = parseInt($('#page_no').html());
		if(pg_no < 18) {
			var new_ = pg_no+1;
			$('#cookbook_pg').html($('#pg-'+new_).html());
			$('#page_no').html(new_);
		}
	});
	/*jQuery.each($('.hidden'), function(img) {
		var id = $(img).attr("id");
		alert(id);
	});*/
});