Continental travel How to?help!

Think this could help 1 or 2 of us!

If i was starting from Prophecies/Fractions/nightfall how do i get/or which is the quickes way, which quests needed to be unlocked/to travel to other continents? and are all three campains needed to get there?

You don't need all 3 the campaigns onley 2 if you want to travel to on of those to you of course do need nightfall if you want to travel to elona (nightfall world).
If you want to travel to a continent go to the main town like lion's arch, kamadan and uhm o well forgot name of the main town of factions but if you are there you wil see a quest sign thingie when you enter like go speak to ... for the quest "sunspears need help" or something and thats the way how to do it .... :P I hope my walktrough helped a bit (my english isn't that good)

You need all three campaigns to play on all three continents. The quest locations, quest givers and quests to get to the other continents are as follows:

Tyria - Cantha - Lion's Arch - First Watch Sergio - Mhenlo's Request
Tyria - Elona - Lion's Arch - Lionguard Figo - Sunspears in Kryta

Cantha - Tyria - Kaineng Center - Guardsman Chienpo - Chaos in Kryta
Cantha - Elona - Imperial Guardsman Linro - Sunspears in Cantha

Elona - Tyria - Consulate docks - Dinja - All for One and One for Justice
Elona - Cantha - Consultate docks - Dinja - Chasing Zenmai

Once you travel to a new continent the first time, that continent is included in the ship destination drop down menu on your M map, and from that point forward you need only click on the ship, then the continent to which you wish to travel.