/*
  Sociology javascript
  
  01/25/2008
*/
 
/* Email manipulation for hiding address on pages */
 
  function stringReverse(textString) {
	  if (!textString) return '';
	  var revString='';
	  for (i = textString.length-1; i>=0; i--)
	    revString+=textString.charAt(i)
	  return revString;
  }
  
  function emLink(name,server) {
	  var rname=stringReverse(name);
	  var rserver=stringReverse(server);
	  var mailText=rname+"@"+rserver;
	  return mailText;
  }
  
/* Image manipulation */

  var pics       = new Array();
  var alts       = new Array();

  pics.push("top1");
  alts.push("Department of Sociology, Social Work and Criminal Justice");

  pics.push("top2");
  alts.push("Department of Sociology, Social Work and Criminal Justice");

  pics.push("top3");
  alts.push("Department of Sociology, Social Work and Criminal Justice");

  pics.push("top4");
  alts.push("Department of Sociology, Social Work and Criminal Justice");

  pics.push("top5");
  alts.push("Department of Sociology, Social Work and Criminal Justice");

  pics.push("top6");
  alts.push("Department of Sociology, Social Work and Criminal Justice");

  pics.push("top8");
  alts.push("Department of Sociology, Social Work and Criminal Justice");

  function randPic() {
    var randnum = Math.random();
	var BGIndex = Math.round((pics.length - 1) * randnum);

	document.getElementById("splash").innerHTML = '<img class="splashphoto" src="images/' + pics[BGIndex] + '.jpg" width="539" height="200" alt="' + alts[BGIndex] + '" />';
  }