function trim(p_str)
{
   var i=0;
   while(1)
   {
     if ( p_str.charAt(0)==" " || p_str.charAt(0)=="\n" || p_str.charAt(0)=="\r") 
       p_str = p_str.substr(i+1);
     else
       break;
    } 
   
   while(1)
   {
     i=p_str.length;
     if ( p_str.charAt(i-1)==" " || p_str.charAt(i-1)=="\n" || p_str.charAt(i-1)=="\r") 
       p_str=p_str.substr(0,i-1);
     else
       break;
   }
  return p_str; 
}
function validlogin()
	{
			obj=document.login
			obj.txtlogin.value=trim(obj.txtlogin.value);
			if(obj.txtlogin.value == "")
			{
				alert("Please Enter LoginId");
				obj.txtlogin.focus();
				return false;
			}
			obj.txtpassword.value=trim(obj.txtpassword.value);
			if(obj.txtpassword.value == "")
			{
				alert("Please Enter  Password");
				obj.txtpassword.focus();
				return false;
			}
		return true;
	}

function validregisttion()
{
		obj=document.registraion
		obj.txtfname.value=trim(obj.txtfname.value);
		if(obj.txtfname.value == "")
		{
			alert("Please Enter First Name");
			obj.txtfname.focus();
			return false;
		}
		obj.txtlname.value=trim(obj.txtlname.value);
		 if(obj.txtlname.value == "")
		{
			alert("Please Enter  Last Name");
			obj.txtlname.focus();
			return false;
		}
		obj.txtemail.value=trim(obj.txtemail.value);
		if(obj.txtemail.value == "")
		{
			alert("Please Enter Email Address");
			obj.txtemail.focus();
			return false;
		}
		if(obj.txtemail.value != obj.txtcemail.value)
		{
			alert("Please Confirm Email-Id");
			obj.txtcemail.focus();
			return false;
		}
		obj.txtpassword.value=(obj.txtpassword.value);
		if(obj.txtpassword.value == "")
		{
			alert("Please Enter  Password");
			obj.txtpassword.focus();
			return false;
		}
		obj.txtcpassword.value=trim(obj.txtcpassword.value);
		if(obj.txtcpassword.value == "")
		{
			alert("Please Confirm Password");
			obj.txtcpassword.focus();
			return false;
		}
		if(obj.txtpassword.value != obj.txtcpassword.value)
		{
			alert("Please Confirm Password");
						obj.txtpassword.focus();
			return false;
		}
	return true;
}


function forget_password()
{
window.open("forget_password.php","","resizable=yes,width=400,height=300,scrollbars=no,status=no,top=75,screenY=255,left=200,screenX=350,toolbar=no,directories=no,status=yes,menubar=no");
}
function validask()
{
	obj=document.askexpert
	obj.txtque.value=trim(obj.txtque.value);
	if(obj.txtque.value == "")
	{
		alert("Please Enter  Your Question");
		obj.txtque.focus();
		return false;
	}
}


function valid_accreditation()
{
	obj=document.forms[0]
	obj.contactname.value=trim(obj.contactname.value);
	if(obj.contactname.value == "")
	{
		alert("Please Enter   Conatact Name");
		obj.contactname.focus();
		return false;
	}
    
	/*obj.title.value=trim(obj.title.value);
	if(obj.title.value == "")
	{
		alert("Please Enter  Your Question");
		obj.title.focus();
		return false;
	}*/
	
	obj.company.value=trim(obj.company.value);
	if(obj.company.value == "")
	{
		alert("Please Enter  Your Comapny Name");
		obj.company.focus();
		return false;
	}
	
	/*obj.address.value=trim(obj.address.value);
	if(obj.address.value == "")
	{
		alert("Please Enter  Your Question");
		obj.address.focus();
		return false;
	}*/
	
	obj.phoneareacode.value=trim(obj.phoneareacode.value);
	obj.phone.value=trim(obj.phone.value);
	if(obj.phoneareacode.value=='' || obj.phone.value=='')
	{
		if(obj.phoneareacode.value=='')
		{
			alert("Please Enter  Your Area Code");
			obj.phoneareacode.focus();
			return false;
		}
		if(obj.phone.value=='')
		{
			alert("Please Enter  Your Phone Number");
			obj.phone.focus();
			return false;
		}
	}
	  obj.email.value=trim(obj.email.value);
		if(obj.email.value == "")
		{
			alert("Please Enter Email Address");
			obj.email.focus();
			return false;
		}
		if (obj.email.value!="")
		{ 
		  var eaddress=obj.email.value;
		  var domain = eaddress.substring(eaddress.indexOf('@') + 1);
		  if (domain.indexOf('.') == -1) { alert("Please enter valid 'Email'");
		  obj.email.focus();
		  return false;}
		  if (domain.indexOf('.') == 0 || domain.indexOf('.') == domain.length - 1) { alert("Please enter valid 'Email'"); 
		  obj.email.focus();
		  return false;}
		}

		if(obj.mediatype.value=='')
		{
			alert("Please Select Media Type");
			obj.mediatype.focus();
			return false;
		}
}

function validticket(obj)
{
	obj.contactname.value=trim(obj.contactname.value);
 	if(obj.contactname.value == "")
	{
		alert("Please Enter   Name");
		obj.contactname.focus();
		return false;
	}
 	obj.phoneareacode.value=trim(obj.phoneareacode.value);
	obj.phone.value=trim(obj.phone.value);
	if(obj.phoneareacode.value=='' || obj.phone.value=='')
	{
		if(obj.phoneareacode.value=='')
		{
			alert("Please Enter  Your Area Code");
			obj.phoneareacode.focus();
			return false;
		}
		if(obj.phone.value=='')
		{
			alert("Please Enter  Your Phone Number");
			obj.phone.focus();
			return false;
		}
	}
	  obj.email.value=trim(obj.email.value);
		if(obj.email.value == "")
		{
			alert("Please Enter Email Address");
			obj.email.focus();
			return false;
		}
		if (obj.email.value!="")
		{ 
		  var eaddress=obj.email.value;
		  var domain = eaddress.substring(eaddress.indexOf('@') + 1);
		  if (domain.indexOf('.') == -1) { alert("Please enter valid 'Email'");
		  obj.email.focus();
		  return false;}
		  if (domain.indexOf('.') == 0 || domain.indexOf('.') == domain.length - 1) { alert("Please enter valid 'Email'"); 
		  obj.email.focus();
		  return false;}
		}

		if(obj.mediatype.value=='')
		{
			alert("Please Select Media Type");
			obj.mediatype.focus();
			return false;
		}
}


function valid_newsletter_18(obj)
{
	

 	obj.name.value=trim(obj.name.value);
	if(obj.name.value == "")
	{
		alert("Please Enter   Name");
		obj.name.focus();
		return false;
	}
    
	obj.lname.value=trim(obj.lname.value);
	if(obj.lname.value == "")
	{
		alert("Please Enter Last  Name");
		obj.lname.focus();
		return false;
	}
	 
	
	 obj.phone.value=trim(obj.phone.value);
	if(obj.phone.value == "")
	{
		alert("Please Enter  Your phone");
		obj.phone.focus();
		return false;
	} 

	
	
 
	  obj.email.value=trim(obj.email.value);
		if(obj.email.value == "")
		{
			alert("Please Enter Email Address");
			obj.email.focus();
			return false;
		}
		if (obj.email.value!="")
		{ 
		  var eaddress=obj.email.value;
		  var domain = eaddress.substring(eaddress.indexOf('@') + 1);
		  if (domain.indexOf('.') == -1) { alert("Please enter valid 'Email'");
		  obj.email.focus();
		  return false;}
		  if (domain.indexOf('.') == 0 || domain.indexOf('.') == domain.length - 1) { alert("Please enter valid 'Email'"); 
		  obj.email.focus();
		  return false;}
		}
 
		 
}