function isblank (s) {
	 if (s == null) return true;

	 for (var i = 0; i < s.length; i++) {
		  var c = s.charAt(i);
		  if (c != ' '	&& c != '\n' && c != '\t') return false;
	 }
	 return true;
}


function ts_getElement(elemID) {
	 var elem = null;
	 if (document.layers != null) {
		  elem = eval('document.layers["' + elemID + '"]');
	 } else if (document.all != null) {
		  elem = eval('document.all.' + elemID + '');
	 } else {
		  if (document.getElementById(elemID) != null) {
				elem = document.getElementById(elemID);
		  }
	 }
	 return elem;
}
function ts_getElementStyle(elemID) {
	 var sty = null;
	 if (document.layers != null) {
		  sty = eval('document.layers["' + elemID + '"]');
	 } else if (document.all != null) {
		  sty = eval('document.all.' + elemID + '.style');
	 } else {
		  if (document.getElementById(elemID) != null) {
				sty = document.getElementById(elemID).style;
		  }
	 }
	 return sty;
}