function initIntro(){ // enter the default text
	defaultTxt1="Ricerca nel sito"
	document.forms["ricerca"]["cerca"].value = defaultTxt1

	}
	
	function clrTxt(){ // clear your_info textbox on first focus only
		if(document.forms["ricerca"]["cerca"].value==defaultTxt1){
			document.forms["ricerca"]["cerca"].value = ""
		}
	}
// add onload="init()" to the opening BODY tag