function admin()
{
	if(document.getElementById('admin_id').value=="")
		{
			alert("Please enter your Id");
			document.getElementById('admin_id').focus();
			return false;
		}
		
	if(document.getElementById('admin_pwd').value=="")
		{
			alert("Please enter your Password");
			document.getElementById('admin_pwd').focus();
			return false;
		}	
}
function results()
{
	if(document.getElementById('regno').value=="")
		{
			alert("Please select the Register Number");
			document.getElementById('regno').focus();
			return false;
		}	
}
function deptval()
{
	if(document.getElementById('dept').value=="select")
		{
			alert("Please select the Department");
			document.getElementById('dept').focus();
			return false;
		}
		
	if(document.getElementById('course').value=="")
		{
			alert("Please enter the course");
			document.getElementById('course').focus();
			return false;
		}	
		
}

function login_val()
{
	if(document.getElementById('email').value=="")
		{
			alert("please enter the alumni email id");
			document.getElementById('email').focus();
			return false;
		}
	if(document.getElementById('pwd').value=="")
		{
			alert("please enter the  password");
			document.getElementById('pwd').focus();
			return false;
		}

}


function alumini_registration()
{
if(document.getElementById('name').value=="")
		{
			alert("please enter the name");
			document.getElementById('name').focus();
			return false;
		}
		if(document.getElementById('dob').value=="")
		{
			alert("please enter the date");
			document.getElementById('dob').focus();
			return false;
		}
		
		/*if((document.getElementById('genderm').checked==false)&&(document.getElementById('genderf').checked==false))
		{
				alert("please select the gender");
				document.getElementById('genderm').focus();
				return false;
		}*/
			
		if(document.getElementById('address').value=="")
		{
			alert("please enter the address");
			document.getElementById('address').focus();
			return false;
		}
		
		if(document.getElementById('code').value=="")
		{
			alert("please enter the postal code");
			document.getElementById('code').focus();
			return false;
		}
		if(isNaN(document.getElementById('code').value))
		{
			alert("Postal code should be in number");
			document.getElementById('code').focus();
			return false;
		}
		if(document.getElementById('phone').value=="")
		{
			alert("please enter the phone number");
			document.getElementById('phone').focus();
			return false;
		}
		if(isNaN(document.getElementById('phone').value))
		{
			alert("phone number should be in number");
			document.getElementById('phone').focus();
			return false;
		}
		if(document.getElementById('dropdown2').value=="select")
		{
			alert("please select the year ");
			document.getElementById('dropdown2').focus();
			return false;
		}
		if(document.getElementById('course').value=="select")
		{
			alert("please select the course ");
			document.getElementById('course').focus();
			return false;
		}
		if(document.getElementById('pos').value=="")
		{
			alert("please enter the position");
			document.getElementById('pos').focus();
			return false;
		}
		if(document.getElementById('comp').value=="")
		{
			alert("please enter the company name");
			document.getElementById('comp').focus();
			return false;
		}
		if(document.getElementById('addr').value=="")
		{
			alert("please enter the address");
			document.getElementById('addr').focus();
			return false;
		}
			if(document.getElementById('email').value=="")
		{
			alert("please enter the email id");
			document.getElementById('email').focus();
			return false;
		}
		if (echeck(document.getElementById('email').value)==false)
					{
					document.getElementById('email').value="";
					//alert("email id is wrong")
					document.getElementById('email').focus();
					return false;
					}
			if(document.getElementById('pwd1').value=="")
		{
			alert("please enter the  password");
			document.getElementById('pwd1').focus();
			return false;
		}
			if(document.getElementById('cpwd1').value=="")
		{
			alert("please enter the confirm password");
			document.getElementById('cpwd1').focus();
			return false;
		}
		if((document.getElementById('pwd1').value)!= (document.getElementById('cpwd1').value))
		{
		alert("Please make sure your password and confirm password are same");
		document.getElementById('pwd1').focus();
		return false;
		}
	function echeck(str) 
	{
	
	var at="@"
	var dot="."
	var lat=str.indexOf(at)
	var lstr=str.length
	var ldot=str.indexOf(dot)
	if (str.indexOf(at)==-1)
	{
	alert("Invalid E-mail Address")
	return false
	}
	
	if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr)
	{
	alert("Invalid E-mail Address")
	return false
	}
	
	if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr)
	{
	alert("Invalid E-mail Address")
	return false
	}
	
	if (str.indexOf(at,(lat+1))!=-1)
	{
	alert("Invalid E-mail Address")
	return false
	}
	
	if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot)
	{
	alert("Invalid E-mail Address")
	return false
	}
	
	if (str.indexOf(dot,(lat+2))==-1)
	{
	alert("Invalid E-mail Address")
	return false
	}
	return true;
	
	}
}

function doselect1()

{
	if(document.getElementById('exam_title').value=="")
		{
			alert("please enter the exam title");
			document.getElementById('exam_title').focus();
			return false;
		}

	//alert("test");

	dml1=document.form1;

	len1=dml1.elements.length;

	var j=0;

	delselect=0;

	for( j=0 ; j<len1 ; j++)

	 {

		if (dml1.elements[j].name=='Mid[]')

		 {

				if((dml1.elements[j].checked))

				{

				delselect=1;

				}

		}

	}

	if(delselect==0)

	{

		alert("Select one course");

		return false;

	}
	

		
			if(document.getElementById('file1').value=="")
		{
			alert("please upload the file ");
			document.getElementById('file1').focus();
			return false;
		}
		else

	{

	document.form1.per.value="active";

	document.form1.submit();

	return true;

	}

}

function callme()

	{
		if(document.getElementById('name').value=="")
		{
			alert("please enter the name");
			document.getElementById('name').focus();
			return false;
		}
if(document.getElementById('add1').value=="")
		{
			alert("please enter the address");
			document.getElementById('add1').focus();
			return false;
		}
if(document.getElementById('city').value=="")
		{
			alert("please enter the city");
			document.getElementById('city').focus();
			return false;
		}
if(document.getElementById('state').value=="")
		{
			alert("please enter the  state");
			document.getElementById('state').focus();
			return false;
		}
if(document.getElementById('country').value=="")
		{
			alert("please enter the  country");
			document.getElementById('country').focus();
			return false;
		}
if(document.getElementById('pincode').value=="")
		{
			alert("please enter the  pincode");
			document.getElementById('pincode').focus();
			return false;
		}
		if(isNaN(document.getElementById('pincode').value))
		{
			alert("pincode should be in number");
			document.getElementById('pincode').focus();
			return false;
		}
if(document.getElementById('email').value=="")
		{
			alert("please enter the  email");
			document.getElementById('email').focus();
			return false;
		}
		if (echeck(document.getElementById('email').value)==false)
					{
					document.getElementById('email').value="";
					//alert("email id is wrong")
					document.getElementById('email').focus();
					return false;
					}
if(document.getElementById('percentage').value=="")
		{
			alert("please enter the  percentage");
			document.getElementById('percentage').focus();
			return false;
		}
	if(document.getElementById('course').value=="")
		{
			alert("please select the  course");
			document.getElementById('course').focus();
			return false;
		}


if(document.getElementById('regarding').value=="")
		{
			alert("please select the  regarding");
			document.getElementById('regarding').focus();
			return false;
		}
if(document.getElementById('details').value=="")
		{
			alert("please enter the  details");
			document.getElementById('details').focus();
			return false;
		}
		function echeck(str) 
	{
	
	var at="@"
	var dot="."
	var lat=str.indexOf(at)
	var lstr=str.length
	var ldot=str.indexOf(dot)
	if (str.indexOf(at)==-1)
	{
	alert("Invalid E-mail Address")
	return false
	}
	
	if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr)
	{
	alert("Invalid E-mail Address")
	return false
	}
	
	if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr)
	{
	alert("Invalid E-mail Address")
	return false
	}
	
	if (str.indexOf(at,(lat+1))!=-1)
	{
	alert("Invalid E-mail Address")
	return false
	}
	
	if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot)
	{
	alert("Invalid E-mail Address")
	return false
	}
	
	if (str.indexOf(dot,(lat+2))==-1)
	{
	alert("Invalid E-mail Address")
	return false
	}
	return true;
	
	}

	}
	function letter_val()
{
	if(document.getElementById('name').value=="")
	{
		alert("Please enter the name");
		document.getElementById('name').focus();
		return false
	}
	if(document.getElementById('email').value=="")
		{
			alert("please enter the  email id");
			document.getElementById('email').focus();
			return false;
		}
		if (echeck(document.getElementById('email').value)==false)
		{
			document.getElementById('email').value="";
			document.getElementById('email').focus();
			return false
		}
		
			function echeck(str) 
	{
	
	var at="@"
	var dot="."
	var lat=str.indexOf(at)
	var lstr=str.length
	var ldot=str.indexOf(dot)
	if (str.indexOf(at)==-1)
	{
	alert("Invalid E-mail Address")
	return false
	}
	
	if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr)
	{
	alert("Invalid E-mail Address")
	return false
	}
	
	if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr)
	{
	alert("Invalid E-mail Address")
	return false
	}
	
	if (str.indexOf(at,(lat+1))!=-1)
	{
	alert("Invalid E-mail Address")
	return false
	}
	
	if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot)
	{
	alert("Invalid E-mail Address")
	return false
	}
	
	if (str.indexOf(dot,(lat+2))==-1)
	{
	alert("Invalid E-mail Address")
	return false
	}
	return true;
	
	}
	
}


function feedback_val()

	{
		if(document.getElementById('name').value=="")
		{
			alert("please enter the name");
			document.getElementById('name').focus();
			return false;
		}


	if(document.getElementById('email').value=="")
		{
			alert("please enter the  email");
			document.getElementById('email').focus();
			return false;
		}
	if (echeck(document.getElementById('email').value)==false)
		{
			document.getElementById('email').value="";
			//alert("email id is wrong")
			document.getElementById('email').focus();
			return false;
		}
	

	if(document.getElementById('feed').value=="")
		{
			alert("please enter your feedback");
			document.getElementById('feed').focus();
			return false;
		}
		function echeck(str) 
	{
	
	var at="@"
	var dot="."
	var lat=str.indexOf(at)
	var lstr=str.length
	var ldot=str.indexOf(dot)
	if (str.indexOf(at)==-1)
	{
	alert("Invalid E-mail Address")
	return false
	}
	
	if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr)
	{
	alert("Invalid E-mail Address")
	return false
	}
	
	if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr)
	{
	alert("Invalid E-mail Address")
	return false
	}
	
	if (str.indexOf(at,(lat+1))!=-1)
	{
	alert("Invalid E-mail Address")
	return false
	}
	
	if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot)
	{
	alert("Invalid E-mail Address")
	return false
	}
	
	if (str.indexOf(dot,(lat+2))==-1)
	{
	alert("Invalid E-mail Address")
	return false
	}
	return true;
	
	}

	}
	function letter_val()
{
	if(document.getElementById('name').value=="")
	{
		alert("Please enter the name");
		document.getElementById('name').focus();
		return false
	}
	if(document.getElementById('email').value=="")
		{
			alert("please enter the  email id");
			document.getElementById('email').focus();
			return false;
		}
		if (echeck(document.getElementById('email').value)==false)
		{
			document.getElementById('email').value="";
			document.getElementById('email').focus();
			return false
		}
		
			function echeck(str) 
	{
	
	var at="@"
	var dot="."
	var lat=str.indexOf(at)
	var lstr=str.length
	var ldot=str.indexOf(dot)
	if (str.indexOf(at)==-1)
	{
	alert("Invalid E-mail Address")
	return false
	}
	
	if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr)
	{
	alert("Invalid E-mail Address")
	return false
	}
	
	if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr)
	{
	alert("Invalid E-mail Address")
	return false
	}
	
	if (str.indexOf(at,(lat+1))!=-1)
	{
	alert("Invalid E-mail Address")
	return false
	}
	
	if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot)
	{
	alert("Invalid E-mail Address")
	return false
	}
	
	if (str.indexOf(dot,(lat+2))==-1)
	{
	alert("Invalid E-mail Address")
	return false
	}
	return true;
	
	}
	
}