replace_event_urls.js

jQuery(document).ready(updateLinks);

// Remove all event handlers from elements that have the 'elementMatcher' somewhere in the event handler function
function updateEventHandlers(elementMatcher, eventHandlerType, urlFrom, urlTo){
    jQuery.each(jQuery(elementMatcher), function(){
	var methodString = jQuery(this).attr(eventHandlerType).toString();
	//alert("Going to remove, update and then add the following method back:\n"+ methodString)
	//create an "oldmethod" attribute and assign it the FUNCTION DEFINITION of the even handler method (in order to cache it for later use)
	jQuery(this).attr("oldmethod", jQuery(this).attr(eventHandlerType).toString());
	//remove the  function bind
	jQuery(this).removeAttr(eventHandlerType);
    });

    //replace click events
    jQuery("input").live("click", function(e){
	//grab the "cached" function definition for the originally bound onclick method
	var methodString = jQuery(this).attr("oldmethod");
	if(methodString && methodString.indexOf("onclick") != -1 && methodString.indexOf(urlFrom) != -1){
	    //remove the " onclick" leaving just an annonymous function definition
	    var reg = / onclick/;
	    methodString = methodString.replace(reg, '');
	    //replace the "urlFrom" 
	    methodString = "function(){alert('hello world')}" //methodString.replace(urlFrom, urlTo);
	    //alert("New method:\n" + methodString);
	    //create a function named clickMethod holding the anonymous function created above
	    eval("clickMethod = " + methodString);
	    //execute the clickMethod function (call the original click event)
	    clickMethod(e);
	    return false;
	}
    });

    //replace blur events
    jQuery("input").live("blur", function(e){
	//grab the "cached" function definition for the originally bound onclick method
	var methodString = jQuery(this).attr("oldmethod");
	if(methodString  && methodString.indexOf("onblur") != -1 && methodString.indexOf(urlFrom) != -1){
	    //remove the " onclick" leaving just an annonymous function definition
	    var reg = / onblur/;
	    methodString = methodString.replace(reg, '');
	    //replace the "urlFrom" 
	    methodString = "function(){alert('hello world')}" //methodString.replace(urlFrom, urlTo);
	    //alert("New method:\n" + methodString);
	    //create a function named blurMethod holding the anonymous function created above
	    eval("blurMethod = " + methodString);
	    //execute the clickMethod function (call the original click event)
	    blurMethod(e);
	    return false;
	}
    });
}


    function updateLinks(){
	// update onclick and onblur event handlers that contain the string "/some-url"
	updateEventHandlers("input[onclick*=/some-url]", "onclick")
	updateEventHandlers("input[onblur*=/some-url]", "onblur")
    }