// JavaScript Document // ================================== PRELOAD IMAGES ================================ // // preload the mouseover images for the topnav function preload(root,preloadStr) { imgArr = preloadStr.split(','); preArr = new Array(); // create image object for(i=0; i font-size // all other font sizes are declared in 'em' and are inherited from the body var sizes = new Array('70%','85%','100%'); // function to change the size of the text // called from increase/decrease font size buttons // takes one argument 'inc' which is either 1 or -1 and advances the pointer in the sizes array function textSize(size) { // redefine 'num' as 'arr' // ensures that the function can work again, since it won't refresh and trigger getCookie() with each click num = size; // retrieve the appropriate number from the array and set the font-size to that percentage document.getElementById('body').style.fontSize = sizes[size]; // run the setCookie() script to make sure that the current font-size is stored for other pages and future visits setCookie(size); } // set cookie function .. called from within textSize() function setCookie(arrNum) { // this checks to see if the new number matches the old one // if so, the function ends .. if not, it sets 'index = -1' which means that 'document.cookie.indexOf(cookie_name)' has a value of -1 .. ie. it doesn't exist. if(document.cookie != document.cookie) { index = document.cookie.indexOf(cookie_name); } else { index = -1; } // if the cookie does not match the new number called from textSize(), overwrite the cookie with the new number if(index == -1) { document.cookie = cookie_name + "=" + arrNum + "; path=/" } } // retrieve cookie function .. called in function getCookie() { var splits = document.cookie.split(';'); // run through the various cookie entries to find the font size cookie for(i=0; i font-size to that percentage document.getElementById('body').style.fontSize = sizes[num]; } else { // if there is no cookie present, set '1' (medium) as a default font size num = '1'; document.getElementById('body').style.fontSize = sizes[num]; } } } // =============================== CHANGE TABS ON THE LESSON PLAN PAGE ========================== // // // function to change tabs on the lesson plan page function changeTabs(num) { tabs = Array('tab1','tab2','tab3','tab4'); containers = Array('cont1','cont2','cont3','cont4'); for(i=0; i' + mail_str + ''; document.write(link_str); } // --------------------------------------------- DYNAMIC DROP DOWN LISTS -------------------------------------------- // // functions for dynamic list(s) for later use function initDynBox(sBoxId, dBoxId) { // make sure the appropriate JS are available if(document.getElementById && document.getElementsByTagName) { // set global variables for the static box sBox = document.getElementById(sBoxId); dBox = document.getElementById(dBoxId); // clone the dynamic box function populate(selAll) { // recall the global variables .. global variables are assigned as properties of 'window' sBox = window.sBox; dBox = window.dBox; optClones = window.optClones; // remove all from the dynamic