function checkareaSize(fld, displayfield) 
{
	
	var freefld = document.getElementsByName(displayfield)[0];
	var content = fld.value.replace(/\[(\/?)(quote|b|i|img|u)(=\w*)?\]/gi,'');
	var differchars = fld.value.length - content.length;
	var frei = msgSize - content.length;
	
	if (frei<0) 
	{
		fld.value = fld.value.substring(0,(msgSize + differchars));
		frei=0;
	}
	freefld.value=frei;
}