validateform = function(){
		// validate fio
		var result = true;
		if (document.forms["request"].elements["fio"].value == ""){
			document.getElementById("fiorequired").style.display = "block";
			result = false;
		};
		if (document.forms["request"].elements["phone"].value == ""){
			document.getElementById("phonerequired").style.display = "block";
			result = false;
		};
		if (document.forms["request"].elements["email"].value == ""){
			document.getElementById("emailrequired").style.display = "block";
			result = false;
		} else {
			var re = /^\w+([\.-]?\w+)*@(((([a-z0-9]{2,})|([a-z0-9][-][a-z0-9]+))[\.][a-z0-9])|([a-z0-9]+[-]?))+[a-z0-9]+\.([a-z]{2}|(com|net|org|edu|int|mil|gov|arpa|biz|aero|name|coop|info|pro|museum))$/i;
			 if(re.test(document.forms["request"].elements["email"].value)==false){
			 	document.getElementById("emailwrong").style.display = "block";
				result = false;
			 }
		}
		if (document.forms["request"].elements["tz"].value!=""){ // םו php פאיכ
			var re = /\.php$/i;
			if (re.test(document.forms["request"].elements["tz"].value)){
				document.getElementById("tzwrongformat").style.display = "block";
				result = false;
			}
		}
		return result;
	}
	clearmessages = function(element){
		switch (element.name){
			case "fio" : 
				document.getElementById("fiorequired").style.display = "none"; 
			break;
			case "phone" : 
				document.getElementById("phonerequired").style.display = "none";
			break;
			case "email" : 
				document.getElementById("emailrequired").style.display = "none";
				document.getElementById("emailwrong").style.display = "none";
			break;
			case "tzmessage" : 
				document.getElementById("tzwrongformat").style.display = "none";
			break;
		}
	}