function checkEmail(eMail) {
	//var pattern = /^[\_]*([a-zA-Z0-9][a-zA-Z0-9\-]+(\.|\_*)?)+@([a-zA-Z0-9][a-zA-Z0-9\-]+(\.|\-*\.))+[a-zA-Z]{2,6}$/;
    var pattern = /^[\w-]+(\.[\w-]+)*@[\w-]+(\.[\w-]+){1,4}$/;
	return pattern.test(eMail);
}

function checkPhone(phone) {
	
	if(phone.length<7)
		return false;
	
	for (var i = 0; i < phone.length; i++) {   
	
        if ( ( (phone.charAt(i) < "0") || (phone.charAt(i) > "9") ) && (phone.charAt(i) != "-")  && (phone.charAt(i) != "+") ) 
			return false;
		
    }

    return true;

}

function checkName(name) {
	
	for( var i=0; i < name.length; i++ ) {
		if((name.charAt(i)>='0' && name.charAt(i)<='9') ||
		name.charAt(i) == '/' || 
		name.charAt(i) == '\\' || 
		name.charAt(i) == ',' || 
		name.charAt(i) == '.' || 
		name.charAt(i) == '=' || 
		name.charAt(i) == '+' || 
		name.charAt(i) == ':' || 
		name.charAt(i) == ';' || 
		name.charAt(i) == '|' || 
		name.charAt(i) == '#' || 
		name.charAt(i) == '$' || 
		name.charAt(i) == '%' || 
		name.charAt(i) == '^' || 
		name.charAt(i) == '&' || 
		name.charAt(i) == '*' || 
		name.charAt(i) == '(' || 
		name.charAt(i) == ')' || 
		name.charAt(i) == '_' || 
		name.charAt(i) == '[' || 
		name.charAt(i) == ']' || 
		name.charAt(i) == '{' || 
		name.charAt(i) == '}' || 
		name.charAt(i) == '~' || 
		name.charAt(i) == '@' ) {
		return true;
		}

	}
	
	return false

}

function checkForm() {
	
	if(document.getElementById('fullName').value=="" || document.getElementById('fullName').value=="Full Name") {
		alert("Please fill your Full Name");
		document.getElementById('fullName').focus();
		return false;
	}
	
	if(checkName(document.getElementById('fullName').value) ) {
		alert("Your full name can contain letters only");
		document.getElementById('fullName').focus();
		return false;
	}
	
	if(document.getElementById('eMail').value=="" || document.getElementById('eMail').value=='e-Mail') {
		alert("Please fill an e-Mail");
		document.getElementById('eMail').focus();
		return false;
	}
	
	if(document.getElementById('eMail').value != '' && document.getElementById('eMail').value!='e-Mail') { 
		if(!checkEmail(document.getElementById('eMail').value)) {
			alert('The e-Mail is incorrect');
			document.getElementById('eMail').focus();
			return false;
		}
	}
	
	if(document.getElementById('phone').value=="" || document.getElementById('phone').value=="Phone") {
		alert("Please fill a phone");
		document.getElementById('phone').focus();
		return false;
	}
	
	if(document.getElementById('phone').value!='' || document.getElementById('phone').value=="Phone") {
		if(!checkPhone(document.getElementById('phone').value)) {
			alert("Phone number is incorrect");
			document.getElementById('phone').focus();
			return false;
		}
	}	
    
    document.getElementById('contact_status').value="true";
	
	return true;
}


function checkFormSearch() {
	
	if(document.getElementById('search_text').value=="" || document.getElementById('search_text').value=="SEARCH") {
		alert("Please fill text to search");
		document.getElementById('search_text').focus();
		return false;
	}
	
	return true;
}

function checkFormProductsSearch() {
	
	if(document.getElementById('catalog_search_text').value=="" || document.getElementById('catalog_search_text').value=="Search products") {
		alert("Please fill text to search");
		document.getElementById('catalog_search_text').focus();
		return false;
	}
	
	return true;
}

$(function() {
	
		
	$("#eMail").focus(function() {
		if($(this).attr("value") == 'e-Mail') $(this).attr("value", '');
	}).blur(function() {
		if($(this).attr("value") == '') $(this).attr("value", 'e-Mail');
	});
	
	$("#fullName").focus(function() {
		if($(this).attr("value") == 'Full Name') $(this).attr("value", '');
	}).blur(function() {
		if($(this).attr("value") == '') $(this).attr("value", 'Full Name');
	});
	
	$("#phone").focus(function() {
		if($(this).attr("value") == 'Phone') $(this).attr("value", '');
	}).blur(function() {
		if($(this).attr("value") == '') $(this).attr("value", 'Phone');
	});
    
    $("#message").focus(function() {
		if($(this).attr("value") == 'Message') $(this).attr("value", '');
	}).blur(function() {
		if($(this).attr("value") == '') $(this).attr("value", 'Message');
	});
	
	$(".search_text").focus(function() {
		if($(this).attr("value") == 'SEARCH') $(this).attr("value", '');
	}).blur(function() {
		if($(this).attr("value") == '') $(this).attr("value", 'SEARCH');
	});
    
    $(".catalog_search_text").focus(function() {
		if($(this).attr("value") == 'Search products') $(this).attr("value", '');
	}).blur(function() {
		if($(this).attr("value") == '') $(this).attr("value", 'Search products');
	});
	
});