Bug 6006: minor tweaks for IE compatibility.
Bug 6006: minor tweaks for IE compatibility.

hitsumabushi/processmaker,colosa/processmaker,colosa/processmaker,hitsumabushi/processmaker,colosa/processmaker,tomolimo/processmaker-server,tomolimo/processmaker-server,tomolimo/processmaker-server,tomolimo/processmaker-server,colosa/processmaker,hitsumabushi/processmaker,hitsumabushi/processmaker,baozhoutao/processmaker,baozhoutao/processmaker,colosa/processmaker,hitsumabushi/processmaker,baozhoutao/processmaker,tomolimo/processmaker-server,baozhoutao/processmaker,tomolimo/processmaker-server,baozhoutao/processmaker,hitsumabushi/processmaker,baozhoutao/processmaker,colosa/processmaker