function clearText(thefield){ //
	 if (thefield.defaultValue==thefield.value) 
	 { thefield.value = ""; thefield.style.color = "#000000"; } 
} 
function restoreText(thefield){ // 
	if (thefield.value=='')   
	{ thefield.value = thefield.defaultValue; thefield.style.color = "#999"; } 
}