I have a problem in praying. I can't do Salat in it's time in work but my colleagues do because I suffer for the problem of Wadi (thick white discharge from penis) so I can't change my intern clothes because I'm at work. Consequently I don't pray in time, so can I just do Wudu without changing my intern clothes? If I had to change them, I should change them 4 or 5 times a day. This problem discourages me from praying even at home do; I have to change intern clothes each time? Help me, please?

Praise be to Allah, the Lord of the World; and may His blessings and peace be upon our Prophet Muhammad and upon all his Family and Companions.

Brother inquirer! Know that prayer is the most important pillar of Islam after al-Shahadah (bearing witness that there is no god but Allah and Muhammad is His Messenger). It is a central pillar of Islam and the first action that the human being will be held responsible for on the Day of Judgment.
Thus, it is strictly Haram to abandon it under any circumstances, to neglect performing it, or even to delay it from the appointed times.
Moreover, one's excretion of some impurity like al-Wadi or al-Mazi does not justify one's negligence in performing prayer. In fact, one has to wash the place of such impurity for every prayer and we do not see any burden in such a work. So, one can use a special napkin to keep one's clothes clean and could be changed for every prayer. This, we think, is a good and easy solution.
Allah knows best.