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 form_valiate()
{

//alert(act);

if(document.bus_enq.full_name.value=="")
	{
     alert("Please mention name"); 
	 document.bus_enq.full_name.focus();
	 return false;
	}


if (document.bus_enq.full_name.value!="")
{
	
	//check for name
	nwstl=document.bus_enq.full_name.value;

	if (nwstl==0 || nwstl==null)
	{
	alert("Please enter proper value");
	document.bus_enq.full_name.focus();
	return false;
	}
}


if(document.bus_enq.full_name.value !="")
	{
var checkOK = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789.@_/,- \n\r";
  var checkStr = document.bus_enq.full_name.value;
  var allValid = true;
  for (i = 0;  i < checkStr.length;  i++)
  {
    ch = checkStr.charAt(i);
    for (j = 0;  j < checkOK.length;  j++)
      if (ch == checkOK.charAt(j))
        break;
    if (j == checkOK.length)
    {
      allValid = false;
      break;
    }
  }
  if (!allValid)
  {
    alert('Data are invalid.Only a-z 0-9 @ _ . , /   are allowed');
    document.bus_enq.full_name.select();
    return false;
  }
}

if(document.bus_enq.full_name.value!="")
	{

		if(document.bus_enq.full_name.value.length > 100)
		{
					alert("Name cannot be greater than 100 Characters");
					document.bus_enq.full_name.focus();
					return false;
		}
	}	




if(document.bus_enq.desig.value=="")
	{
     alert("Please mention designation"); 
	 document.bus_enq.desig.focus();
	 return false;
	}


if (document.bus_enq.desig.value!="")
{
	
	//check for name
	nwstl=document.bus_enq.desig.value;

	if (nwstl==0 || nwstl==null)
	{
	alert("Please enter proper value");
	document.bus_enq.desig.focus();
	return false;
	}
}


if(document.bus_enq.desig.value !="")
	{
var checkOK = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789.@_/,- \n\r";
  var checkStr = document.bus_enq.desig.value;
  var allValid = true;
  for (i = 0;  i < checkStr.length;  i++)
  {
    ch = checkStr.charAt(i);
    for (j = 0;  j < checkOK.length;  j++)
      if (ch == checkOK.charAt(j))
        break;
    if (j == checkOK.length)
    {
      allValid = false;
      break;
    }
  }
  if (!allValid)
  {
    alert('Data are invalid.Only a-z 0-9 @ _ . , /   are allowed');
    document.bus_enq.desig.select();
    return false;
  }
}

if(document.bus_enq.desig.value!="")
	{

		if(document.bus_enq.desig.value.length > 200)
		{
					alert("Designation cannot be greater than 200 Characters");
					document.bus_enq.desig.focus();
					return false;
		}
	}	





if(document.bus_enq.org.value=="")
	{
     alert("Please mention organisation"); 
	 document.bus_enq.org.focus();
	 return false;
	}


if (document.bus_enq.org.value!="")
{
	
	//check for name
	nwstl=document.bus_enq.org.value;

	if (nwstl==0 || nwstl==null)
	{
	alert("Please enter proper value");
	document.bus_enq.org.focus();
	return false;
	}
}


if(document.bus_enq.org.value !="")
	{
var checkOK = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789.@_/,- \n\r";
  var checkStr = document.bus_enq.org.value;
  var allValid = true;
  for (i = 0;  i < checkStr.length;  i++)
  {
    ch = checkStr.charAt(i);
    for (j = 0;  j < checkOK.length;  j++)
      if (ch == checkOK.charAt(j))
        break;
    if (j == checkOK.length)
    {
      allValid = false;
      break;
    }
  }
  if (!allValid)
  {
    alert('Data are invalid.Only a-z 0-9 @ _ . , /   are allowed');
    document.bus_enq.org.select();
    return false;
  }
}

if(document.bus_enq.org.value!="")
	{

		if(document.bus_enq.org.value.length > 200)
		{
					alert("Organisation cannot be greater than 200 Characters");
					document.bus_enq.org.focus();
					return false;
		}
	}	




if(document.bus_enq.addr.value=="")
	{
     alert("Please mention address"); 
	 document.bus_enq.addr.focus();
	 return false;
	}


if (document.bus_enq.addr.value!="")
{
	
	//check for name
	nwstl=document.bus_enq.addr.value;

	if (nwstl==0 || nwstl==null)
	{
	alert("Please enter proper value");
	document.bus_enq.addr.focus();
	return false;
	}
}
	


if(document.bus_enq.email.value=="")
	{
     alert("Please mention email"); 
	 document.bus_enq.email.focus();
	 return false;
	}


if (document.bus_enq.email.value!="")
{
	
	//check for name
	nwstl=document.bus_enq.email.value;

	if (nwstl==0 || nwstl==null)
	{
	alert("Please enter proper value");
	document.bus_enq.email.focus();
	return false;
	}
}


if(document.bus_enq.email.value !="")
	{
var checkOK = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789.@_/,- \n\r";
  var checkStr = document.bus_enq.email.value;
  var allValid = true;
  for (i = 0;  i < checkStr.length;  i++)
  {
    ch = checkStr.charAt(i);
    for (j = 0;  j < checkOK.length;  j++)
      if (ch == checkOK.charAt(j))
        break;
    if (j == checkOK.length)
    {
      allValid = false;
      break;
    }
  }
  if (!allValid)
  {
    alert('Data are invalid.Only a-z 0-9 @ _ . , /   are allowed');
    document.bus_enq.email.select();
    return false;
  }
}

if(document.bus_enq.email.value!="")
	{

		if(document.bus_enq.email.value.length > 100)
		{
					alert("Email cannot be greater than 100 Characters");
					document.bus_enq.email.focus();
					return false;
		}
	
		var str=document.bus_enq.email.value;
		var valid=echeck(str);

		if (valid==0)
		{
			//alert('Invalid email id');
			document.bus_enq.email.focus();
			return false;
		}

	
	}	





if(document.bus_enq.phone.value=="")
	{
     alert("Please mention phone"); 
	 document.bus_enq.phone.focus();
	 return false;
	}


if (document.bus_enq.phone.value!="")
{
	
	//check for name
	nwstl=document.bus_enq.phone.value;

	if (nwstl==0 || nwstl==null)
	{
	alert("Please enter proper value");
	document.bus_enq.phone.focus();
	return false;
	}
}


if(document.bus_enq.phone.value !="")
	{
var checkOK = "0123456789 () + - ";
  var checkStr = document.bus_enq.phone.value;
  var allValid = true;
  for (i = 0;  i < checkStr.length;  i++)
  {
    ch = checkStr.charAt(i);
    for (j = 0;  j < checkOK.length;  j++)
      if (ch == checkOK.charAt(j))
        break;
    if (j == checkOK.length)
    {
      allValid = false;
      break;
    }
  }
  if (!allValid)
  {
    alert('Data are invalid.Only 0-9 are allowed');
    document.bus_enq.phone.select();
    return false;
  }
}

if(document.bus_enq.phone.value!="")
	{

		if(document.bus_enq.phone.value.length > 200)
		{
					alert("Phone cannot be greater than 200 Characters");
					document.bus_enq.phone.focus();
					return false;
		}
	}	



if(document.bus_enq.comp.value=="")
	{
     alert("Please mention company represented"); 
	 document.bus_enq.comp.focus();
	 return false;
	}


if (document.bus_enq.comp.value!="")
{
	
	//check for name
	nwstl=document.bus_enq.comp.value;

	if (nwstl==0 || nwstl==null)
	{
	alert("Please enter proper value");
	document.bus_enq.comp.focus();
	return false;
	}
}


if(document.bus_enq.comp.value !="")
	{
var checkOK = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789.@_/,- \n\r";
  var checkStr = document.bus_enq.comp.value;
  var allValid = true;
  for (i = 0;  i < checkStr.length;  i++)
  {
    ch = checkStr.charAt(i);
    for (j = 0;  j < checkOK.length;  j++)
      if (ch == checkOK.charAt(j))
        break;
    if (j == checkOK.length)
    {
      allValid = false;
      break;
    }
  }
  if (!allValid)
  {
    alert('Data are invalid.Only a-z 0-9 @ _ . , /   are allowed');
    document.bus_enq.comp.select();
    return false;
  }
}

if(document.bus_enq.comp.value!="")
	{

		if(document.bus_enq.comp.value.length > 200)
		{
					alert("Company cannot be greater than 200 Characters");
					document.bus_enq.comp.focus();
					return false;
		}
	}	




if(document.bus_enq.prod.value=="")
	{
     alert("Please mention products represented"); 
	 document.bus_enq.prod.focus();
	 return false;
	}


if (document.bus_enq.prod.value!="")
{
	
	//check for name
	nwstl=document.bus_enq.prod.value;

	if (nwstl==0 || nwstl==null)
	{
	alert("Please enter proper value");
	document.bus_enq.prod.focus();
	return false;
	}
}


if(document.bus_enq.prod.value !="")
	{
var checkOK = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789.@_/,- \n\r";
  var checkStr = document.bus_enq.prod.value;
  var allValid = true;
  for (i = 0;  i < checkStr.length;  i++)
  {
    ch = checkStr.charAt(i);
    for (j = 0;  j < checkOK.length;  j++)
      if (ch == checkOK.charAt(j))
        break;
    if (j == checkOK.length)
    {
      allValid = false;
      break;
    }
  }
  if (!allValid)
  {
    alert('Data are invalid.Only a-z 0-9 @ _ . , /   are allowed');
    document.bus_enq.prod.select();
    return false;
  }
}

if(document.bus_enq.prod.value !="")
	{
if(document.bus_enq.prod.value.length > 100)
		{
		alert("Products represented cannot be greater than 100 Characters");
		document.bus_enq.prod.focus();
		return false;
		}

	}


if(document.bus_enq.prod_range.value=="")
	{
     alert("Please mention product range intrested"); 
	 document.bus_enq.prod_range.focus();
	 return false;
	}


if (document.bus_enq.prod_range.value!="")
{
	
	//check for name
	nwstl=document.bus_enq.prod_range.value;

	if (nwstl==0 || nwstl==null)
	{
	alert("Please enter proper value");
	document.bus_enq.prod_range.focus();
	return false;
	}
}


if(document.bus_enq.security_code.value=="")
	{
     alert("Please mention security code"); 
	 document.bus_enq.security_code.focus();
	 return false;
	}


if (document.bus_enq.security_code.value!="")
{
	
	//check for name
	nwstl=document.bus_enq.security_code.value;

	if (nwstl==0 || nwstl==null)
	{
	alert("Please enter proper value");
	document.bus_enq.security_code.focus();
	return false;
	}
}	




}