// JavaScript Document

function showtab(id){
	var tab=new Array("TopLecturerID","MostViewedId");
	var len=tab.length;
	
		for(i=0;i<len; i++){
		var tabid	=tab[i]+"Ul";	
		if(tab[i]==id){
			document.getElementById(tab[i]).style.display='';
			document.getElementById(tabid).style.display='';
		}else
		{
			document.getElementById(tab[i]).style.display='none';
			document.getElementById(tabid).style.display='none';
		}
		
	}
}

function ValidateContact()

{
								var name	= document.getElementById('name');
								var email	= document.getElementById('email');
								var contact	= document.getElementById('contact');
								var subject	= document.getElementById('subject');
								var message	= document.getElementById('message');
								
								if(name.value=="")
								{
									alert("Please enter your name.");
									name.focus();
									return false
								}
	
								if(email.value=="")
								{
									alert("Please enter your email ID.");
									email.focus();
									return false
								}
								if (echeck(email.value)==false)
								{
									alert("Please enter valid email ID.");
									email.value=""
									email.focus();
									return false
								}
	
								if(contact.value=="")
								{
									alert("Please enter your contact no.");
									contact.focus();
									return false
								}
								if(isNaN(contact.value)==true)
								{
									alert("Please enter number only.");
									contact.focus();
									return false
								}
	
								if(subject.value=="")
								{
									alert("Please enter subject.");
									subject.focus();
									return false
								}
	
								if(message.value=="")
								{
									alert("Please enter your message.");
									message.focus();
									return false
								}
	
			
return true;
}


function errchk()
{
					var username	=	document.getElementById('username');
					var password	=	document.getElementById('password');
				
					
				if(username.value!="")

						{
							document.getElementById('username_err').innerHTML		= '';	
						}
				
				if(password.value!="")

						{
							document.getElementById('password_err').innerHTML		= '';	
						}
}





function ValidateLogin()
{
					var username	=	document.getElementById('username');
					var password	=	document.getElementById('password');
				
					document.getElementById('username_err').innerHTML		= '';
					document.getElementById('password_err').innerHTML		= '';
	

					if(username.value=="")
						{
						document.getElementById('username_err').innerHTML	= "Please enter your username";
						username.focus();
						return false
						}
	
					if(password.value=="")
						{
						document.getElementById('password_err').innerHTML	= "Please enter your valid password";
						password.focus();
						return false
						}
	

return true;
}













function Validateconty(){
	var name	= document.getElementById('name');
	var email	= document.getElementById('email');
	var contact	= document.getElementById('contact');
	var subject	= document.getElementById('subject');
	var message	= document.getElementById('message');
	
		
	
	if(name.value==""){
		alert("Please enter your name");
		name.focus();
		return false
	}
	
	if(email.value==""){
		alert("Please enter Email Address");
		email.focus();
		return false
	}
	if (echeck(email.value)==false){
		alert("Invalid E-mail ID");
		email.value=""
		email.focus();
		return false
	}
	
	if(contact.value==""){
		alert("Please enter your contact no.");
		contact.focus();
		return false
	}
	if(isNaN(contact.value)==true){
		alert("Please enter Number.");
		contact.focus();
		return false
	}
	
	if(subject.value==""){
		alert("Please enter your Subject");
		subject.focus();
		return false
	}
	
	if(message.value==""){
		alert("Please enter Message");
		message.focus();
		return false
	}
	
	return true;
}

function ValidateQuery(){
	
	var pin		= document.frmQuery.pin;
	var subject	= document.frmQuery.subject;
	var message	= document.frmQuery.message;
	var file	= document.frmQuery.file;
	var fileName = file.value;
	var ext = fileName.substring(fileName.lastIndexOf('.') + 1);


	
	if(pin.value==""){
		alert("Please enter pin (entered at the time of registration)");
		pin.focus();
		return false
	}

	
	
	if(message.value==""){
		alert("Please enter message");
		message.focus();
		return false
	}
	if(file.value!=""){
		if(ext=='pdf' || ext=='doc' || ext=='docx'){
			return true;
		}
			else{
				alert("Please upload .pdf, .doc, .docx, files only");
				file.focus();
				return false;
		}
		
	}
	return true;
}


function ValidateQuery1(){
	var name	= document.getElementById('name');
	var email	= document.getElementById('email');
	var contact	= document.getElementById('contact');
	var pin		= document.getElementById('pin');
	var subject	= document.getElementById('subject');
	var message	= document.getElementById('message');
	
	if(name.value==""){
		alert("Please enter your name");
		name.focus();
		return false
	}
	
	if(email.value==""){
		alert("Please enter Email Address");
		email.focus();
		return false
	}
	if (echeck(email.value)==false){
		alert("Invalid E-mail ID");
		email.value=""
		email.focus();
		return false
	}
	
	if(contact.value==""){
		alert("Please enter your contact no.");
		contact.focus();
		return false
	}
	if(isNaN(contact.value)==true){
		alert("Please enter Number.");
		contact.focus();
		return false
	}
	if(pin.value==""){
		alert("Please put pin (entered at the time of registration)");
		pin.focus();
		return false
	}

	if(subject.value==""){
		alert("Please enter your Subject");
		subject.focus();
		return false
	}
	
	if(message.value==""){
		alert("Please enter Timing");
		message.focus();
		return false
	}
	
	return true;
}

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 ID")
		   return false
		}

		if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr){
		  // alert("Invalid E-mail ID")
		   return false
		}

		if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr){
		 //  alert("Invalid E-mail ID")
		    return false
		}

		 if (str.indexOf(at,(lat+1))!=-1){
		   // alert("Invalid E-mail ID")
		    return false
		 }

		 if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){
		   // alert("Invalid E-mail ID")
		    return false
		 }

		 if (str.indexOf(dot,(lat+2))==-1){
		   // alert("Invalid E-mail ID")
		    return false
		 }
		
		 if (str.indexOf(" ")!=-1){
		   // alert("Invalid E-mail ID")
		    return false
		 }

 		 return true					
	}
	
function ShowHideReg(id){
	if(id=="FacultyId"){
		document.getElementById('StudentId').style.display='none';
		document.getElementById('FacultyId').style.display='';
	}
	if(id=="StudentId"){
		document.getElementById('StudentId').style.display='';
		document.getElementById('FacultyId').style.display='none';
	}
}






function ValidateCarrer()
		{
						var name	= document.getElementById('cname');
						var email	= document.getElementById('cemail');
						var contact	= document.getElementById('ccontact');
						var subject	= document.getElementById('csubject');
						var message	= document.getElementById('cmessage');
						var file	= document.getElementById('cfile');
						var fileName = file.value;
						var ext = fileName.substring(fileName.lastIndexOf('.') + 1);
					
						document.getElementById('cname_err').innerHTML		= '';
						document.getElementById('cemail_err').innerHTML		= '';
						document.getElementById('ccontact_err').innerHTML	= '';
						document.getElementById('csubject_err').innerHTML	= '';
						document.getElementById('cmessage_err').innerHTML	= '';
						document.getElementById('cfile_err').innerHTML		= '';

	
	
							if(name.value=="")
							{
								document.getElementById('cname_err').innerHTML	= "Please enter your name";
								name.focus();
								return false
							}
	
							if(email.value=="")
							{
								document.getElementById('cemail_err').innerHTML	= "Please enter email address";
								email.focus();
								return false
							}
							if (echeck(email.value)==false){
								document.getElementById('cemail_err').innerHTML="Invalid E-mail ID";
								email.value=""
								email.focus();
								return false
							}
							
							if(contact.value=="")
							{
								document.getElementById('ccontact_err').innerHTML	= "Please enter your contact number";
								contact.focus();
								return false
							}
							if(isNaN(contact.value)==true)
							{
								document.getElementById('ccontact_err').innerHTML	= "Please enter valid number.";
								contact.focus();
								return false
							}
							
							if(subject.value=="")
							{
								document.getElementById('csubject_err').innerHTML	= "Please enter your subject";
								subject.focus();
								return false
							}
							
							if(message.value=="")
							{
								document.getElementById('cmessage_err').innerHTML	= "Please enter message";
								message.focus();
								return false
							}
							
							if(cfile.value!="")
							{
											if(ext=='pdf' || ext=='doc' || ext=='docx')
											{
												return true;
											}
											else
											{
												document.getElementById('cfile_err').innerHTML	= "Please upload .pdf, .doc, .docx, files only";
												cfile.focus();
												return false;
											}
								
							}
								return true;
}


function ValidateAdverties()
{
					var oname	= document.getElementById('oname');
					var operson	= document.getElementById('operson');
					var oemail	= document.getElementById('oemail');
					var ocontact	= document.getElementById('ocontact');
					var odesg	= document.getElementById('odesg');
	

					document.getElementById('oname_err').innerHTML		= '';
					document.getElementById('operson_err').innerHTML	= '';
					document.getElementById('oemail_err').innerHTML		= '';
					document.getElementById('ocontact_err').innerHTML	= '';
					document.getElementById('odesg_err').innerHTML		= '';

	
	
						if(oname.value=="")
						{
								document.getElementById('oname_err').innerHTML	= "Please enter your organization name";
								oname.focus();
								return false
						}
	
						if(oemail.value=="")
						{
								document.getElementById('oemail_err').innerHTML	= "Please enter valid email address";
								oemail.focus();
								return false
						}
						if (echeck(oemail.value)==false)
						{
								document.getElementById('oemail_err').innerHTML="Invalid E-mail ID";
								oemail.value=""
								oemail.focus();
								return false
						}
	
						if(ocontact.value=="")
						{
								document.getElementById('ocontact_err').innerHTML	= "Please enter your contact no.";
								ocontact.focus();
								return false
						}
						if(isNaN(ocontact.value)==true)
						{
								document.getElementById('ocontact_err').innerHTML	= "Please enter Number.";
								ocontact.focus();
								return false
						}
	
					
	
	
			
					return true;
}

function ValidateTestimonial(){
	
	var message	= document.frmQuery.message;


	
	
	if(message.value==""){
		alert("Please enter testimonial content");
		message.focus();
		return false
	}
	
	return true;
}