function ltrim(string)
{
	string=new String(string);
	var string1=new Array();
	var i,j;
	for(i=0,j=0;i<string.length;i++)
	{
	  if(j==0)
	  {
		if(string.charAt(i)!=" ")
		{
			string1[j++]=string.charAt(i);
		}
	  }
	  else
	  {
		string1[j++]=string.charAt(i);
	  }
		
	}
	string="";
	for(i=0;i<string1.length;i++)
	{
	  string+=string1[i];
	} 
	return string;
  }

/* function is used to trim right space*/

function rtrim(string)
{
	string=new String(string);
	var string1=new Array();
	var i,j;
	for(i=string.length;i>=0;i--)
	{
	  if(string.charAt(i-1)==" ")
	  {
		continue;
	  }
	  else
	  {
		for(j=0;j<i;j++)
		{
		  string1[j]=string.charAt(j);
		}
		break;
	  }
		
	}
	string="";
	for(i=0;i<string1.length;i++)
	{
	  string+=string1[i];
	}
	return string;
}

/* function is used to trim left and right white spaces*/ 

function trim(string)
{
string=ltrim(string); // // This function is used to trim the left side of a String
string=rtrim(string);// This function is used to trim the right side of a String
return string;
}
function funMail()
{
if(trim(document.frmContact.txtLname.value)=="")
	{
		alert("Please enter Last Name.");
		document.frmContact.txtLname.value='';
		document.frmContact.txtLname.focus();
		return false;
	}
	
	if(trim(document.frmContact.txtFname.value)=="")
	{
		alert("Please enter First Name.");
		document.frmContact.txtFname.value='';
		document.frmContact.txtFname.focus();
		return false;
	}
	
	if(trim(document.frmContact.txtAddress.value)=="")
	{
		alert("Please Enter Address Information");
		document.frmContact.txtAddress.value='';
		document.frmContact.txtAddress.focus();
		return false;
	}
	
	var email = /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z])+$/;

	if(trim(document.frmContact.txtEmail.value)=="")
	{
		alert("Please enter Email.");
		document.frmContact.txtEmail.value='';
		document.frmContact.txtEmail.focus();
		return false;
	}
	 else if(!email.test(trim(document.frmContact.txtEmail.value)))
	{
		alert("Please enter a valid E-mail Address.");       
		document.frmContact.txtEmail.value="";
		document.frmContact.txtEmail.focus();
		return false;
	}
	
		document.frmContact.action="registration_form1.php";
		document.frmContact.submit();
	
}
// JavaScript Document