function setMenuHeight(){
	var rightHeight = document.getElementById('contentRight').offsetHeight;
	var menuHeight = document.getElementById('menuContainer').offsetHeight;
	//alert("content Height" + contentHeight + "px");
	if (rightHeight > menuHeight){
		bigDiff = rightHeight - menuHeight;
		contentHeight = document.getElementById('menuContentContainer').offsetHeight;
		greyHeight = (menuHeight - contentHeight) -47;
		greyHeight += bigDiff;
		document.getElementById('menuGrey').style.height = greyHeight + 'px';
	}
	else if (menuHeight > rightHeight) {
		bigDiff = menuHeight - rightHeight ;
		contentHeight = document.getElementById('menuContentContainer').offsetHeight;
		greyHeight = (menuHeight - contentHeight) -47;
		document.getElementById('menuGrey').style.height = greyHeight + 'px';
		document.getElementById('contentRight').style.height = menuHeight + 'px';
		//document.getElementById('menuGrey').style.height = newHeight + 'px';
	}
}