/* nathanr: Event Handler Functions - Cross Browser Functionality */

function get_event(e) {
/* call: var e = get_event(e);
uniforms event object to make scripting simpler */
if(!e) {
var e = window.event;
}
if (e.srcElement) {
e.target = e.srcElement;
}
if(e.target) {
if (e.target.nodeType == 3) {
e.target = e.target.parentNode;
}
}
if(e.clientX || e.clientY) {
if(document.documentElement) {
try {
e.pageX = e.clientX + document.documentElement.scrollLeft;
e.pageY = e.clientY + document.documentElement.scrollTop;
} catch (error) {

}
} else {
e.pageX = e.clientX + document.body.scrollLeft;
e.pageY = e.clientY + document.body.scrollTop;
}
}
return e;
}

function add_event(event_name, function_name, event_target) {
/* add_event("mousedown", myFunction, document.getElementById('elementId'));
add_event("mou

seo

 ver", myFunction, false); */
if(!event_target) {
if(document.documentElement) {
event_target = document;
} else {
event_target = document.body;
}
}
if (event_target.attachEvent) {
remove_event(event_name, function_name, event_target);
event_target.attachEvent("on" + event_name, function_name);
} else if(event_target.addEventListener) {
event_target.addEventListener(event_name, function_name, true);
} else {
alert('Your browser does not ap

pear

  to support attachEvent OR addEventListner; Please either update your current browser or use an alternative.');
}
}

function remove_event(event_name, function_name, event_target) {
/* see add_event comments */
if(!event_target) {
if(document.documentElement) {
event_target = document;
} else {
event_target = document.body;
}
}
if (event_target.detachEvent) {
event_target.detachEvent("on" + event_name, function_name);
} else if(event_target.removeEventListener){
event_target.removeEventListener(event_name, function_name, true);
} else {
alert('Your browser does not ap

pear

  to support detachEvent OR removeEventListener; Please either update your current browser or use an alternative.');
}
}

function stop_event(e) {
/* stop event propagation, cancel bubble, depending on which browser you are using
you may also want to set the event target to unselectable especially in ie when
using drag operations on A nodes
if(e.target.nodeName == "A" {
e.target.setAttribute("unselectable", true);
} */
if (e.stopPropagation) {
e.stopPropagation();
if(e.preventDefault) {
e.preventDefault();
}
} else {
e.cancelBubble = true;
e.returnValue = false;
}
}