/**

 * @author Roger

 */



function l(tx){

	$("#log").text($("#log").text()+""+tx)

}



var showingMenu = false

var currentItem = -1



function setCurrentMenuItem(i){

	currentItem = i

	for(var j = 0 ; j<4; j++){

		if(j==i){

			$("#btn"+j).css('opacity', 0.2)

		}else {

			$("#btn"+j).hide()	

		}

	}

}





function menuEnter(i){

	if(i!=currentItem){

		if(!showingMenu){

			showingMenu = true

			$("#btn"+i).fadeIn(500)			

		}	

	}

}



function menuLeave(i){

	if (i != currentItem) {

		showingMenu = false

		$("#btn" + i).fadeOut(250)

	}

}