function changeSize() {

if (/MSIE (\d+\.\d+);/.test(navigator.userAgent)){ //test for MSIE x.x;
 var ieversion=new Number(RegExp.$1) // capture x.x portion and store as a number
}else{
 var ieversion = 0
}



  var myWidth = 0, myHeight = 0;
  if( typeof( window.innerWidth ) == 'number' ) {
    //Non-IE
    myWidth = window.innerWidth;
    myHeight = window.innerHeight;
  } else if( document.documentElement && ( document.documentElement.clientWidth || document.documentElement.clientHeight ) ) {
    //IE 6+ in 'standards compliant mode'
    myWidth = document.documentElement.clientWidth;
    myHeight = document.documentElement.clientHeight;

  } else if( document.body && ( document.body.clientWidth || document.body.clientHeight ) ) {
    //IE 4 compatible
    myWidth = document.body.clientWidth;
    myHeight = document.body.clientHeight;
  }
  
  	if( (ieversion <= 6) &&  (ieversion != 0)) {
		myWidth = myWidth - 30;
	}else{
		
	if((ieversion <= 7)&&  (ieversion != 0)){
		myHeight = myHeight + 3;
		myWidth = myWidth - 8;
	}
	
	FooterHeight = parseInt($('#main_footer').innerHeight()) +10
	HeaderHeight = parseInt($('#main_header').innerHeight())

	MainHeight = myHeight - HeaderHeight - FooterHeight

	$('#main_content').css('height', MainHeight + 'px');
	
	
	
	
	
	
	
	$('.jScrollPaneContainer').css('height', MainHeight);
	
	$('.jScrollPaneContainer').jScrollPane({
		scrollbarWidth: 11,
		scrollbarMargin: 0,
		showArrows: true,
		maintainPosition: false
	}).css('visibility', 'visible');
	
	
	
	
	
	
	
	}
	
}