// When the page loads: 
window.onload = function(){ 
    if (document.getElementsByTagName) {
        // Get all the tags of type object in the page.
        var objs = document.getElementsByTagName("object");
        for (i=0; i<objs.length; i++) {
            // Get the HTML content of each object tag
            // and replace it with itself.
            objs[i].outerHTML = objs[i].outerHTML;
        }
    }
} 
// When the page unloads: 
window.onunload = function() { 
    if (document.getElementsByTagName) {
        //Get all the tags of type object in the page.
        var objs = document.getElementsByTagName("object");
        for (i=0; i<objs.length; i++) {
            // Clear out the HTML content of each object tag
            // to prevent an IE memory leak issue.
            objs[i].outerHTML = "";
        }
    }
}