Dynamically change links of Cross Domain URL displayed in IFrame

Hello, External web url must be load in Iframe, (or maybe you can give any idea for another way), on my website and on load or after load of external webpage in Iframe i want all links in Iframe to be replaced with my url/text Example: If my site is : [login to view URL] The external site is: [login to view URL] which I want to show in IFrame All links in [login to view URL] are [login to view URL] I want Dynamically to change [login to view URL] TO [login to view URL] I must test your solution first...