I have resolved this for my application. Below you can see the explanation.
I did a search on the net and I realized how important the DOCTYPE directive is. So I decided to run a few tests, I created a few simple pages with the following DOCTYPE entries: <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 3.2 Transitional//EN"> The last one is what is being generated by my application--to make a long story short, this is part of the header that is generated by one of our in-house libraries. When I include jQuery and jQuery UI (1.7.2. or 1.8a2) everything works as expected. Where things break is when I also include jqGrid (3.6.2). The last DOCTYPE causes the buttons to dissapear and the width, height properties as well as the associate scrollbars to act erratically. My problems were only with I.E., I have tested in both FF and Opera and I had no issues irrespective of the DOCTYPE used. I hope it will save some time to some of you out there. George.
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