// JavaScript Document

function validateAndSubmitSearch(form) {
	if(form.search.value == "Search your Site" || form.search.value == "") {
		// no search submitted on "Search your Site" or empty searches
		form.search.focus() // places cursor back in the search field
		return false //stops the form from being submitted
	} else {
		//form.search.value = form.search.value + " site:www.csuchico.edu/web/" //search only usrv site
		return true
	}
}
function selectHomeImage() {
	var randNum = Math.round(Math.random()*4)+1
	document.write("<img src='http://www.csuchico.edu/fye/images/rotating-home/" + randNum + ".jpg' alt='Home page rotating photo' name='home_rotating_photo' width='600' height='157 border='0' id='home_rotating_photo'/>")
	//alert(randNum)
}

function selectInteriorImage() {
	var randNum = Math.round(Math.random()*13)+1
	document.write("<img src='http://www.csuchico.edu/fye/images/rotating-interior/" + randNum + ".jpg' alt='Interior page rotating photo' name='interior_rotating_photo' width='180' height='238' border='0' id='interio_rotatingr_photo' />")
	//alert(randNum)
}

startList = function() {
	//alert('function called');
	if (document.all && document.getElementById) {
		//alert('if statement called');
		var leftnav = document.getElementById("leftnav-sublinks-context");
		
		for (i = 0; i < leftnav.childNodes.length; i++) {
			node = leftnav.childNodes[i];
			if (node.nodeName == "LI") {
				node.onmouseover=function() {
					this.className += " over";
				}
				node.onmouseout = function() {
					this.className = this.className.replace(" over", "");
				}
			}
		}
	}
}

window.onload=startList;