Divisions showing in different place for different monitor system..?

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ASP.NET

Hi, This problem makes me crazy...because I developed a small project with my home computer having square size monitor...After that I take the project to my office for visual display...It's showing in bad manner..because that computer monitor is Parallel size system.

But the thing is that I developed the project from my room as resolution size 1024 X 768....even though I am facing this problem in bad manner...Divisions showing in up & down in different places..But the same is working good in my room square size monitor...

Any good solution will makes me to success my project...!!!

Another Confusion
==================

I have a table..having the following properties

float:left;
verticalalign:top;
cellspacing:0;
cellpadding:0;
margin-left:0;
margin-top:0;
borderwidth:0

Eventhough when I wish to display any image, inside the cell it's leaving some spaces..
Any suggestion will clear my confusion mind..

Thanks for the Ideas...