/*******************************************************************************
* searchChoice.js
* 
* @author Alvaro Murillo, Teacher Created Materials, 2007
* @version 1.0.4
* @return
* 
*******************************************************************************/
function chooseSearch(searchChoice) {
	updateSearchChoice(searchChoice);
}

function updateSearchChoice(searchChoice) {
	if (searchChoice == 'googleBookSearch') {
		document.getElementById('quicksearch').innerHTML = "<input type=\"radio\" name=\"searchType\" onClick=\"javascript:chooseSearch(\'shell\');\" id=\"tcm_search\"><span style=\"color:#aaaaaa;\" />Our website (Item #, Title or Keyword)</span>&nbsp;<br />"
      			+"<form action=\"http://books.google.com/books/shell\" method=\"get\" style=\"margin: 0px;\">"
			+"<input type=\"hidden\" value=\"en\" name=\"hl\">"
			+"&nbsp;OR&nbsp;<input maxLength=\"255\" name=\"q\" style=\"margin: 0pt; padding: 0pt; align:left;width: 125px;\" />&nbsp;<input src=\"/images/gobutton.gif\" style=\"padding: 0pt;\" alt=\"submit search\" type=\"image\" name=\"btnG\" /><br />"
			+"</form>"
			+"<input type=\"radio\" name=\"searchType\" id=\"googleBookSearch\" onClick=\"javascript:chooseSearch(\'googleBookSearch\');\" checked />Our book content (powered by Google)";
	} else  {
		document.getElementById('quicksearch').innerHTML = "<input type=\"radio\" name=\"searchType\" onClick=\"javascript:chooseSearch(\'shell\');\" align=\"left\" id=\"shellSearch\" checked />Our website (Item #, Title or Keyword)&nbsp;</span><br />"
			+"<form action=\"http://estore.seppub.com/estore/search/searchResults\" method=\"get\">"
			+"&nbsp;OR&nbsp;<input name=\"SEARCH_TERM\" style=\"margin: 0pt; padding: 0pt; width: 125px;\" class=\"input-box\" type=\"text\" />&nbsp;<input src=\"/images/gobutton.gif\" alt=\"submit search\" type=\"image\" /><br />"
			+"</form>"
			+"<input type=\"radio\" name=\"searchType\" align=\"left\" id=\"googleBookSearch\" onClick=\"javascript:chooseSearch(\'googleBookSearch\');\" /><span style=\"color:#aaaaaa;\">Our book content (powered by Google)</span><br />"
	}
}

function validateForm() {
	firstname = document.getElementById("firstname").value;
	lasttname = document.getElementById("lastname").value;
	schoolemail = document.getElementById("schoolemail").value;
	mailingaddress = document.getElementById("mailingaddress").value;
	mailingcity = document.getElementById("mailingcity").value;
	mailingstate = document.getElementById("mailingstate").value;
	country = document.getElementById("country").value;
	mailingzip = document.getElementById("mailingzip").value;
	mailingemail = document.getElementById("mailingemail").value;
	success = true;
	alertText = "Please correct the following:\n\n";
	if (firstname == "") {
		alertText = alertText + ("-- Enter a first name.\n");
		success = false;
	}
	if (lastname == "") {
		alertText = alertText + ("-- Enter a last name.\n");
		success = false;
	}
	if (schoolemail == "") {
		alertText = alertText + ("-- Enter a school email .\n");
		success = false;
	}
	if (mailingaddress == "") {
		alertText = alertText + ("-- Enter an address.\n");
		success = false;
	}
	if (mailingcity == "") {
		alertText = alertText + ("-- Enter a mailing city.\n");
		success = false;
	}
	if (mailingstate == "") {
		alertText = alertText + ("-- Enter a state.\n");
		success = false;
	}
	if (country == "") {
		alertText = alertText + ("-- Enter a country.\n");
		success = false;
	}
	if (mailingzip == "") {
		alertText = alertText + ("-- Enter a zip.\n");
		success = false;
	}
	if (mailingemail == "") {
		alertText = alertText + ("-- Enter an e-mail address .\n");
		success = false;
	}
	
	if (!success) {
		alert(alertText);
	}
	return success;
}
		/*******************************************************************************
		* Popup div onmouseover
		* This script takes an event, a div id, and div content (image) to display a 
		* popup div onmouseover.
		*
		*******************************************************************************/
		function displayPopupDiv(event, popupDivID, content) {
			var e = event;
			var popupDiv = document.getElementById(popupDivID);
			var x = 0;
			var y = 0;
			// if internet explorer
			if (document.all) {
				x = event.clientX + document.body.scrollLeft;
				y = event.clientY + document.body.scrollTop;
			} else {
				x = e.pageX;
				y = e.pageY;
			}
			
			popupDiv.style.display = 'block';
			popupDiv.style.left = x;
			popupDiv.style.top = y;
			document.getElementById('popupcontent').src = content;
		}
		function clearPopupDiv(popupDivID) {
			var popupDiv = document.getElementById(popupDivID);
			popupDiv.style.display = 'none';
			document.getElementById('popupcontent').src = null;
		}