// JavaScript Document

function selectImage() {
	var randNum = Math.round(Math.random()*5)+1
	document.write("<img src='images/homePage/home1.jpg' alt='' name='photo' width='600' height='157' />")
	//alert(randNum)
}


function selectInteriorImage() {
	var randNum = Math.round(Math.random()*4)+1
	document.write("<img src='/india/images/interior/interior" + randNum + ".jpg' alt='' name='photo' width='180' height='238' />")
	//alert(randNum)
}


function validateAndSubmitSearch(form) {
	if(form.search.value == "Search Geography" || form.search.value == "") {
		// no search submitted on "Search Geography" 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/geop/" //search only geop site
		return true
	}
}