var arr= new Array();
	arr.push("One should not pursue goals that are easily achieved. One must develop an instinct for what one can barely achieve through one's greatest efforts. -Einstein ");
	arr.push("Try not to become a man of success but rather try to become a man of value. -Einstein");
	arr.push("I lived in that solitude which is painful in youth, but delicious in the years of maturity. -Einstein");
	arr.push("The most exciting phrase to hear in science, the one that heralds new discoveries, is not \"Eureka!\" (I found it!) but \"That's funny...\". -Isaac Asimov");
	arr.push("Like a river my life hurries by If I jump in perhaps I might drown But if I don't then my spirit could die Before that change on the weather comes 'round. -Eric Bogle");
	arr.push("Black holes result from God dividing the universe by zero. -Author Unknown");
	arr.push("Nothing is impossible. Not if you can imagine it. That’s what being a scientist is all about.-Hubert Farnsworth");
	arr.push("Why are numbers beautiful? It's like asking why is Beethoven's Ninth Symphony beautiful. If you don't see why, someone can't tell you. I know numbers are beautiful. If they aren't beautiful, nothing is. -Erdos");

	function rotate()
	{
	var num= Math.round(Math.random()*7);
	add(num);
	}

	function add(i)
	{
	var chi = document.createTextNode(arr[i]);
	var tab1 = document.getElementById("add1");
		while(tab1.hasChildNodes())
		{
		 tab1.removeChild(tab1.firstChild);
		}
	tab1.appendChild(chi);
	}