function search(action) {
	var sInput = document.getElementById('sInput');
	var sSubmit = document.getElementById('sSubmit');
	var sSubmitI = document.getElementById('sfSubmitI');
	if (action == 'over') {
		if (sInput.value == 'поиск')
			sInput.value='';
	}
	if (action == 'out') {
		if (sInput.value.length == 0) {
			sInput.value='поиск';
			sSubmit.style.display='none';
			sSubmitI.style.display='block';
		}
	}
	if (action == 'refresh') {
		if (sInput.value.length == 0 || sInput.value == 'поиск') {
			sSubmit.style.display='none';
			sSubmitI.style.display='block';
		} else {
			sSubmit.style.display='block';
			sSubmitI.style.display='none';
		}
	}
}



function checkField(action, elem, deftext) {
	if (action == 'over')
		if (document.getElementById(elem).value == deftext) {
			document.getElementById(elem).value = '';
			document.getElementById(elem).style.color = "#000";
		}
	if (action == 'out')
		if (document.getElementById(elem).value.length == 0) {
			document.getElementById(elem).value = deftext;
			document.getElementById(elem).style.color = "#999";
		}
}





function selectInput(element, action) {
	if (action == 'on') {
		document.getElementById(element).className = "inputDact";
	}
	if (action == 'off')
		document.getElementById(element).className = "inputD";
}



function validate(email) {
   var reg = /^([A-Za-z0-9_\-\.])+\@([A-Za-z0-9_\-\.])+\.([A-Za-z]{2,4})$/;
   return reg.test(email);
}