function OnResize() 
{
	var bodyHeight = 0;
	var divScrollRegion;
	var divFooterRegion;

	var divScrollRegionHeight = 0;
	var divFooterRegionHeight = 0;
	var divScrollRegionoffsetTop = 0;

	try 
	{
		document.all['ifLetter'].style.width = document.body.clientWidth - document.all['HeaderAndLeftNavMenu_divMenuMainLeft'].style.posWidth - 5;
		document.all['HeaderAndLeftNavMenu_divMenuMainLeft'].style.height = document.body.clientHeight-document.all['HeaderAndLeftNavMenu_divMenuMainLeft'].offsetTop-document.all["tablePageFooter"].offsetHeight;
		//tblTabStrip = document.getelementById('tblTabStip')
		divScrollRegion = document.getElementById('ifLetter');
		divFooterRegion = document.getElementById('tablePageFooter');
		
		if (divScrollRegion != null)
		{
			divScrollRegionoffsetTop = divScrollRegion.offsetTop
		}
		
		if (divFooterRegion != null)
		divFooterRegionHeight = divFooterRegion.offsetHeight;
		bodyHeight = document.body.clientHeight-document.body.clientTop - divScrollRegionoffsetTop ;
		divScrollRegionHeight = ( bodyHeight-divFooterRegionHeight-25)
		
		if (divScrollRegionHeight  < document.all.ifLetter.offsetHeight) 
		{
			divScrollRegion.style.height = divScrollRegionHeight;
		} 
	}
	catch (e) 
	{
		
	}
}