function placePic(){
	var theImg1 = document.getElementById("img1");
	var rand_no1 = Math.ceil(Math.random() * 26);
	for(var i = 300; i > 0; i--){
		window.setTimeout("changeVis(i," + theImg1 + ")", (i * 100));
	}
	theImg1.src='home_files/rotate_pics/spring' + rand_no1 + '.jpg';
	for(var i = 1; i <= 300; i++){
		window.setTimeout("changeVis(i," + theImg1 + ")", (i * 100));
	}
}

function rotatePic(){
	placePic();
	var time = setInterval('placePic()',7000);
}

function changeVis(plu,im1){
	
	im1.style.opacity = (plu / 300);
	im1.style.filter = "alpha(opacity=" + (plu / 3) + ")";
	
}

function getMenuLoc(){
	var curleft = 0;
	var obj = document.getElementById("my_menu");
	if (obj.offsetParent) {
		do {
			curleft += obj.offsetLeft;
		} while (obj = obj.offsetParent);
	}
		return curleft;
}


function resizeCover(){
	var coord = getMenuLoc();
	document.getElementById("img1").style.top = document.getElementById("my_menu").offsetTop + 275;
	document.getElementById("img1").style.left = coord + 200;
	document.getElementById("cover1").style.height = document.getElementById("img1").height;
	document.getElementById("cover1").style.width = document.getElementById("img1").width;
	document.getElementById("cover1").style.top = document.getElementById("img1").offsetTop;
	document.getElementById("cover1").style.left = document.getElementById("img1").offsetLeft;
	document.getElementById("cover1").style.visibility="visible";
	document.getElementById("img1").style.visibility="visible";

}