function inputFocus(a, b) {
	if (a.value == b) (a.value = ''); 
}

function inputBlur(a, b) {
	if (a.value == '') (a.value = b);
}


function clientHeight(){
  return document.compatMode=='CSS1Compat' && !window.opera?document.documentElement.clientHeight:document.body.clientHeight;
}