var acceptanceCount = 0;
	
function hide_desc() {
	$(".desc").hide();
}

function isValidEmailAddress(emailAddress) { 
	var pattern = new RegExp(/^(("[\w-\s]+")|([\w-]+(?:\.[\w-]+)*)|("[\w-\s]+")([\w-]+(?:\.[\w-]+)*))(@((?:[\w-]+\.)*\w[\w-]{0,66})\.([a-z]{2,6}(?:\.[a-z]{2})?)$)|(@\[?((25[0-5]\.|2[0-4][0-9]\.|1[0-9]{2}\.|[0-9]{1,2}\.))((25[0-5]|2[0-4][0-9]|1[0-9]{2}|[0-9]{1,2})\.){2}(25[0-5]|2[0-4][0-9]|1[0-9]{2}|[0-9]{1,2})\]?$)/i); 
	return pattern.test(emailAddress); 
}

function increaseCounter() {
	acceptanceCount++;
	if (acceptanceCount > 8) {
$("#submitbutton").removeattr("disabled");
	}
}

function decreaseCoutner() 
{
	acceptanceCount--;
	if (!(acceptanceCount > 8)) {
$("#submitbutton").attr("disabled","disabled");
	}
}


$(document).ready(function() {
	$("#f_emailaddress").keyup(function() {
		var email = $("#f_emailaddress").val();
		if (email != 0) {
			if (isValidEmailAddress(email)) {
				$("#f_emailaddress").css({ "background-color": "#EFFBF5" });
			} else {
				$("#f_emailaddress").css({ "background-color": "#F8E0E0" });
			}
		} else {
			$("#f_emailaddress").css({ "background-color": "none" });
		}
	});

	$("#f_name").keyup(function() {
		var name = $("#f_name").val();
		if ((name.length > 1) && (name.length < 5)) {
			$("#f_name").css({ "background-color": "#EFFBF5" });
		} else {
			$("#f_name").css({ "background-color": "#F8E0E0" });
		}
	});

	$("#f_concentration").keyup(function() {
	var name = $("#f_concentration").val();
		if (name.length > 2) {
			$("#f_concentration").css({ "background-color": "#EFFBF5" });
		} else {
			$("#f_concentration").css({ "background-color": "#F8E0E0" });
		}
	});

	$("#f_phone2").keyup(function() {
		var phone2 = $("#f_phone2").val();

		var alNumRegex = /^([a-zA-Z0-9]+)$/; //only letters and numbers
		if((alNumRegex.test(phone2)) && (phone2.length > 2)) 
		{
			$("#f_phone2").css({ "background-color": "#EFFBF5" });
		} else {
			$("#f_phone2").css({ "background-color": "#F8E0E0" });
		}
	});

	$("#f_phone3").keyup(function() {
		var phone3 = $("#f_phone3").val();

		var alNumRegex = /^([a-zA-Z0-9]+)$/; //only letters and numbers
		if ((alNumRegex.test(phone3)) && (phone3.length > 3)) 
		{
			$("#f_phone3").css({ "background-color": "#EFFBF5" });
		} else {
	$("#f_phone3").css({ "background-color": "#F8E0E0" });
}
	});
	
	
});