使下拉列表值与更改时其他下拉列表的值相等

Pleas Help me. I'm trying to write what should be a simple jQuery string that changes the value of the status dropdown to = the Leadership Action Dropdown ONLY when the value the value of the leadership dropdown changes. Iv been fiddling with this for about an hour now and cant seem to get it to function. Also the HTML can NOT be modified so adding an onChange attrib is not an option. I must be able to implement the solution by simply adding the JS to the page. Here is the code I have so far. Any help is greatly appreciated. Pleas Help me. I'm trying to write what should