function qs()
{
	if(document.getElementById('QS').style.display=='none')
	{
		document.getElementById('QS').style.display='block';
	}
	else
	{
		document.getElementById('QS').style.display='none';
	}
}

function formValid(Form)
{
	var func = Form.func.value;
	var msg = "";
	
	// Login Form
	if(func=="1")
	{
		var eml = Form.email.value;
		var pas = Form.pass.value;
		
		if(!checkemail(eml))
		{
			msg+="Please enter proper email address.\n";
		}
		if(pas=="")
		{
			msg+="Password cannot be empty.\n";
		}
		
	}
	
	//Registration Form
	if(func=="2")
	{
		var eml = Form.email.value;
		var pas = Form.pass.value;
		var pas1 = Form.pass1.value;
		var fname = Form.fname.value;
		var lname = Form.lname.value;
		var depart = Form.depart.value;
		var hosp = Form.hosp.value;

		if(!checkemail(eml))
		{
			msg+="Please enter proper email address.\n";
		}
		if(pas=="")
		{
			msg+="Password cannot be empty.\n";
		}
		if(pas!=pas1)
		{
			msg+="Passwords do not match.\n";
		}
		if(fname=="")
		{
			msg+="First Name cannot be empty.\n";
		}
		if(lname=="")
		{
			msg+="Last Name cannot be empty.\n";
		}
		if(depart=="")
		{
			msg+="Department cannot be empty.\n";
		}
		if(hosp=="")
		{
			msg+="Hospital cannot be empty.\n";
		}
		if(Form.lic.value=="")
		{
			msg+="License Number cannot be empty.\n";
		}
	}
	
	// Forgot Password Form
	if(func=="3")
	{
		var eml = Form.email.value;
		
		if(!checkemail(eml))
		{
			msg+="Please enter proper email address.\n";
		}
		
	}
	

	//Edit Profile Form
	if(func=="4")
	{
		var eml = Form.alt_email.value;
		var fname = Form.fname.value;
		var lname = Form.lname.value;
		var depart = Form.depart.value;
		var hosp = Form.hosp.value;

		if(eml!="")
		{
			if(!checkemail(eml))
			{
				msg+="Please enter proper email address.\n";
			}
		}
		if(fname=="")
		{
			msg+="First Name cannot be empty.\n";
		}
		if(lname=="")
		{
			msg+="Last Name cannot be empty.\n";
		}
		if(depart=="")
		{
			msg+="Department cannot be empty.\n";
		}
		if(hosp=="")
		{
			msg+="Hospital cannot be empty.\n";
		}
		if(Form.lic.value=="")
		{
			msg+="License Number cannot be empty.\n";
		}
	}
	
	//Change Password Form
	if(func=="5")
	{
		var opas = Form.opass.value;
		var pas = Form.pass.value;
		var pas1 = Form.pass1.value;

		if(opas=="")
		{
			msg+="Old Password cannot be empty.\n";
		}
		if(pas=="")
		{
			msg+="New Password cannot be empty.\n";
		}
		if(pas!=pas1)
		{
			msg+="Passwords do not match.\n";
		}
	}
	
	if(msg=="")
	{
		return true;
	}
	else
	{
		alert(msg);
		return false;
	}
}
function checkemail(str)
{
	var testresults
	var filter=/^([\w-]+(?:\.[\w-]+)*)@((?:[\w-]+\.)*\w[\w-]{0,66})\.([a-z]{2,6}(?:\.[a-z]{2})?)$/i;
	if (filter.test(str))
	{
		testresults=true;
	}
	else
	{
		//alert("Please input a valid email address!")
		testresults=false;
	}
	return (testresults);
}