var messageLen=0;
var messageNum=11;
var messageWait=Math.round(Math.random() * (messageNum-1));
//var messageLen=50;

function messageHold() {
	setTimeout("messageNext("+(messageWait+1)+")", messageLen* 100 + 2000);
}

function messageNext(number) {
	for(i=1;i<=messageNum;i=i+1){
	 	document.getElementById('message'+i).style.display=number==i?'block':'none';
		if(number==i){
			messageLen=document.getElementById('message'+i).innerHTML.length-58;
		}
	}
	messageWait=(messageWait+1)%messageNum;
	messageHold();
}