hover_replaceTitlesByTags('img,span,a', "'trail', true   ,'fade', 'both',   'fadeMax', 100");

var hover = {
'span.hover1' : function(element) {
 element.onmouseover = function(event) {
  domTT_activate(this, event,   'content', 'Convective Available Potential Energy - The maximum energy available to an ascending parcel, according to parcel theory.   <br/><br/>Source: AMS',   'trail', true   ,'fade', 'both',   'fadeMax', 100  );
 }
}
,'span.hover4' : function(element) {
 element.onmouseover = function(event) {
  domTT_activate(this, event,   'content', 'Verification of the Origins of Rotation in Tornadoes EXperiment 2',   'trail', true   ,'fade', 'both',   'fadeMax', 100  );
 }
}
,'span.hover5' : function(element) {
 element.onmouseover = function(event) {
  domTT_activate(this, event,   'content', 'The energy needed to lift an air parcel vertically and pseudoadiabatically from its originating level to its level of free convection (LFC). <br/><br/>Source: AMS',   'trail', true   ,'fade', 'both',   'fadeMax', 100  );
 }
}
,'span.hover6' : function(element) {
 element.onmouseover = function(event) {
  domTT_activate(this, event,   'content', 'A dry line is a boundary that separates a warm moist air mass from a warm dry air mass.<br/><br/>Source: Wikipedia',   'trail', true   ,'fade', 'both',   'fadeMax', 100  );
 }
}
,'span.hover7' : function(element) {
 element.onmouseover = function(event) {
  domTT_activate(this, event,   'content', 'Region of dry air wrapping around the back of a mesocyclone in a supercell thunderstorm<br/><br/>Source: Wikiepedia',   'trail', true   ,'fade', 'both',   'fadeMax', 100  );
 }
}
,'span.hover8' : function(element) {
 element.onmouseover = function(event) {
  domTT_activate(this, event,   'content', 'Field Command',   'trail', true   ,'fade', 'both',   'fadeMax', 100  );
 }
}
,'span.hover9' : function(element) {
 element.onmouseover = function(event) {
  domTT_activate(this, event,   'content', 'Racks of surface weather instruments mounted on the roofs of vehicles to take measurements near storms. The instruments measure temperature, humidity, pressure, wind speed and direction, vehicle orientation and precise vehicle location by means of GPS.',   'trail', true   ,'fade', 'both',   'fadeMax', 100  );
 }
}
,'span.hover10' : function(element) {
 element.onmouseover = function(event) {
  domTT_activate(this, event,   'content', 'Doppler on Wheels',   'trail', true   ,'fade', 'both',   'fadeMax', 100  );
 }
}
,'span.hover11' : function(element) {
 element.onmouseover = function(event) {
  domTT_activate(this, event,   'content', 'Forward-flank downdraft',   'trail', true   ,'fade', 'both',   'fadeMax', 100  );
 }
}
,'span.hover12' : function(element) {
 element.onmouseover = function(event) {
  domTT_activate(this, event,   'content', 'National Weather Service',   'trail', true   ,'fade', 'both',   'fadeMax', 100  );
 }
}
,'span.hover13' : function(element) {
 element.onmouseover = function(event) {
  domTT_activate(this, event,   'content', 'VORTEX2 Operations Center',   'trail', true   ,'fade', 'both',   'fadeMax', 100  );
 }
}
,'span.hover14' : function(element) {
 element.onmouseover = function(event) {
  domTT_activate(this, event,   'content', 'Tornado Vortex Signature',   'trail', true   ,'fade', 'both',   'fadeMax', 100  );
 }
}
};

Behaviour.register(hover);