// JavaScript Document
function isBlank(str)
{
	if(str.length==0)
		return true;
	else
	   	return false;
}

function fname()
{
	if(isBlank(document.form1.fname.value))
	{
		alert("Please Specify Your First Name!");
		return false;
	}
	else
		return true;
}

function lname()
{
	if(isBlank(document.form1.lname.value))
	{
		alert("Please Specify Your Last Name!");
		return false;
	}
	else
		return true;
}

function birth_date()
{
	if(isBlank(document.form1.birth_date.value))
	{
		alert("Please Specify Your Date of Birth!");
		return false;
	}
	else
		return true;
}

function batch()
{
	if(isBlank(document.form1.batch.value))
	{
		alert("Please Specify Your CresTech Batch!");
		return false;
	}
	else
		return true;
}

function checkemail()
{
	if(isBlank(document.form1.email.value))
	{
		alert("Please Specify Your Email ID!");
		return false;
	}
	else
		return true;
}

function emailvalidation(str)
{
	// E-mail Validation by Henrik Petersen / NetKontoret
	// Explained at www.echoecho.com/jsforms.htm
	// Please do not remove this line and the two lines above.
	value = str;
	apos=value.indexOf("@"); 
	dotpos=value.lastIndexOf(".");
	lastpos=value.length-1;
	if (apos<1 || dotpos-apos<2 || lastpos-dotpos>3 || lastpos-dotpos<2) 
	{
		alert("Email entered is in wrong format");
		return false;
	}
	else 
	{
		return true;
	}
}

function checkquery()
{
	if(isBlank(document.form1.query.value))
	{
		alert("Please Write a Message in Case you do NOT remember CresTech Batch info!");
		return false;
	}
	else
		return true;
}

function func1()
{
	if (fname()==false) 
	{
		document.form1.fname.focus(); 
		return false;
	}
	if (lname()==false) 
	{
		document.form1.lname.focus(); 
		return false;
	}
	if (birth_date()==false) 
	{
		document.form1.birth_date.focus(); 
		return false;
	}
	if (checkemail()==false) 
	{
		document.form1.email.focus(); 
		return false;
	}
	if (emailvalidation(document.form1.email.value)==false)
	{
		document.form1.email.focus(); 
		return false;
	}
	
}