Codigo de text area y botón...
Cita: <input class="t" id="searchText" name="searchText" type="text" onfocus="if(this.value=='Escribe Aquí...')this.value='';" onblur="if((this.value=='')||(this.value.strip()== ''))this.value='Escribe Aquí...';" onmouseover="this.style.borderColor='#03f';this.st yle.backgroundColor='#ff9'" onmouseout="this.style.borderColor='#000';this.sty le.backgroundColor='#ff7'" value="Escribe Aquí..." size="24" />
Cita: <input type="submit" value="Buscar" onmouseover="if(searchText.value=='Escribe Aquí...')this.setAttribute('disabled','disa bled');" onmouseout="this.removeAttribute('disabled');"/>