// First, our basic Macromedia generated functions, then everything else...

function MM_jumpMenu(targ,selObj,restore){ //v3.0
  eval(targ+".location='"+selObj.options[selObj.selectedIndex].value+"'");
  if (restore) selObj.selectedIndex=0;
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_findObj(n, d) { //v4.0
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && document.getElementById) x=document.getElementById(n); return x;
}

function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}

// popups for outside links
var winWidth = "820"
var winHeight = "740"
var winScrollbars = "yes"
var winToolbar = "yes"
var winResizable = "yes"
var winLocation = "yes"
var winStatus = "yes"
var winMenubar = "yes"

function doWin(winURL) {
  window.open(winURL,"","width="+winWidth+",height="+winHeight+",scrollbars="+winScrollbars+",toolbar="+winToolbar+",resizable="+winResizable+",location="+winLocation+",status="+winStatus+",menubar="+winMenubar)
}

// popups for outside links
var winWidth = "1000"
var winHeight = "740"
var winScrollbars = "yes"
var winToolbar = "yes"
var winResizable = "yes"
var winLocation = "yes"
var winStatus = "yes"
var winMenubar = "yes"

function wideWin(winURL) {
  window.open(winURL,"","width="+winWidth+",height="+winHeight+",scrollbars="+winScrollbars+",toolbar="+winToolbar+",resizable="+winResizable+",location="+winLocation+",status="+winStatus+",menubar="+winMenubar)
}

/*
<a href="URL-HERE">
*/


// popups for bio pages
var BwinWidth = "675"
var BwinHeight = "400"
var BwinScrollbars = "yes"
var BwinToolbar = "yes"
var BwinResizable = "yes"
var BwinLocation = "yes"
var BwinStatus = "yes"
var BwinMenubar = "yes"
function BioWin(winURL) {
  window.open(winURL,"","width="+BwinWidth+",height="+BwinHeight+",scrollbars="+BwinScrollbars+",toolbar="+BwinToolbar+",resizable="+BwinResizable+",location="+BwinLocation+",status="+BwinStatus+",menubar="+BwinMenubar)
}
/*
<a href="URL-HERE" onclick="BioWin(this);return false;">
*/

// popups for course pages
var cwinWidth = "675"
var cwinHeight = "350"
var cwinScrollbars = "yes"
var cwinToolbar = "no"
var cwinResizable = "yes"
var cwinLocation = "no"
var cwinStatus = "no"
var cwinMenubar = "no"
function courseWin(winURL) {
  window.open(winURL,"course","width="+cwinWidth+",height="+cwinHeight+",scrollbars="+cwinScrollbars+",toolbar="+cwinToolbar+",resizable="+cwinResizable+",location="+cwinLocation+",status="+cwinStatus+",menubar="+cwinMenubar)
}

// popups for extra pages
var extrawinWidth = "250"
var extrawinHeight = "600"
var extrawinScrollbars = "yes"
var extrawinToolbar = "no"
var extrawinResizable = "yes"
var extrawinLocation = "no"
var extrawinStatus = "no"
var extrawinMenubar = "no"
function extraWin(winURL) {
  window.open(winURL,"course","width="+extrawinWidth+",height="+extrawinHeight+",scrollbars="+extrawinScrollbars+",toolbar="+extrawinToolbar+",resizable="+extrawinResizable+",location="+extrawinLocation+",status="+extrawinStatus+",menubar="+extrawinMenubar)
}

// customizable... (width, height, scrollbars, toolbar, resizeable, location, status, menubar)
function otherWin(winURL,w,h,s,t,r,L,st,m) {
  window.open(winURL,"","width="+w+",height="+h+",scrollbars="+s+",toolbar="+t+",resizable="+r+",location="+L+",status="+st+",menubar="+m)
}
/*
<a href="http://sloanfyc.mit.edu" onclick="otherWin(this,510,400,'yes','no','yes');return false;">
*/








// "target" isnt xhtml compliant, so we use rel="external" then use this js to open in a new window.
function externalLinks() {
 if (!document.getElementsByTagName) return;
 var anchors = document.getElementsByTagName("a");
 for (var i=0; i<anchors.length; i++) {
   var anchor = anchors[i];
   if (anchor.getAttribute("href") &&
       anchor.getAttribute("rel") == "external")
     anchor.target = "_blank";
 }
}
window.onload = externalLinks;





// for the global navigation rollovers...
function showPic(whichitem) {
	if (document.getElementById) {
		if (whichitem.title) {
			document.getElementById('desc').innerHTML = whichitem.title;
		} else {
			resetText();
		}
		return false;
	} else {
		return true;
	}
}
function resetText() {
	document.getElementById('desc').innerHTML =  "&lt;&lt; more";
}







// this function is needed to work around 
  // a bug in IE related to element attributes
function hasClass(obj) {
   var result = false;
   if (obj.getAttributeNode("class") != null) {
       result = obj.getAttributeNode("class").value;
   }
   return result;
}   




/* get elements by class name.... */
function myGetElementsByClass(searchClass,node,tag) {
  var classElements = new Array();
  if (node == null)
    node = document;
  if (tag == null)
    tag = '*';
  var els = node.getElementsByTagName(tag);
  var elsLen = els.length;
  var pattern = new RegExp("(^|\\s)"+searchClass+"(\\s|$)");
  for (i = 0, j = 0; i < elsLen; i++) {
    if (pattern.test(els[i].className) ) {
      classElements[j] = els[i];
      j++;
    }
  }
  return classElements;
}

/* make tables stripe, use body onload to specify classname for this */
function stripe(id) {
    // the flag we'll use to keep track of 
    // whether the current row is odd or even
    var even = false;
  
    // if arguments are provided to specify the colours
    // of the even & odd rows, then use the them;
    // otherwise use the following defaults:
    var evenColor = arguments[1] ? arguments[1] : "#fff";
    var oddColor = arguments[2] ? arguments[2] : "#eee";
  
    // find all of the tables we want to stripe
    var tables = myGetElementsByClass(id,null,'table');
   
    // and iterate through them...
    for (var g = 0; g < tables.length; g++) {

    // by definition, tables can have more than one tbody
    // element, so we'll have to get the list of child
    // &lt;tbody&gt;s 
    var tbodies = tables[g].getElementsByTagName("tbody");

    // and iterate through them...
    for (var h = 0; h < tbodies.length; h++) {
    
     // find all the &lt;tr&gt; elements... 
      var trs = tbodies[h].getElementsByTagName("tr");
      
      // ... and iterate through them
      for (var i = 0; i < trs.length; i++) {

        // avoid rows that have a class attribute
        // or backgroundColor style
        if (! hasClass(trs[i]) &&
            ! trs[i].style.backgroundColor) {
 		  
          // get all the cells in this row...
          var tds = trs[i].getElementsByTagName("td");
        
          // and iterate through them...
          for (var j = 0; j < tds.length; j++) {
        
            var mytd = tds[j];

            // avoid cells that have a class attribute
            // or backgroundColor style
          if (! hasClass(mytd) &&
                ! mytd.style.backgroundColor) {
        
              mytd.style.backgroundColor =
                even ? evenColor : oddColor;
            }
          }
        }
        // flip from odd to even, or vice-versa
        even =  ! even;
      }
    }
   }
  }