function validateForm(){alert("buscador activo");}

function sizecontrol(){
	var altezza = window.screen.height;
	var larghezza = window.screen.width;


	if ((larghezza == 800) && (altezza == 600))
	{document.getElementById("contentpage").style.width="60em";}
	else if ((larghezza == 1024) && (altezza == 768)){
	 document.getElementById("head_first_menu").style.width="46.9em"
	 document.getElementById("contentpage").style.width="62em";}
	else if ((larghezza == 1280) && (altezza == 1024)){
	 document.getElementById("head_first_menu").style.width="62.9em";
	 document.getElementById("contentpage").style.width="78em";}
	else{
	{
	 document.getElementById("head_first_menu").style.width="46.9em"
	 document.getElementById("contentpage").style.width="62em";}
	}
}