function contactdetails()
{
	if(document.getElementById('senders_name').value=="")
	{
		alert("Please Enter Your Name");
		document.getElementById('senders_name').value=="";
		document.getElementById('senders_name').focus();
		return false;
	}
	
	
	if(document.getElementById('senders_email').value=="")
	{
		alert("Please Enter Your Email");
		document.getElementById('senders_email').value=="";
		document.getElementById('senders_email').focus();
		return false;
	}
	if(document.getElementById('senders_email').value!="")
	{ 
		regexp=/^[a-zA-Z][\w\.-]*[a-zA-Z0-9]@[a-zA-Z0-9][\w\.-]*[a-zA-Z0-9]\.[a-zA-Z][a-zA-Z\.]*[a-zA-Z]$/;
		if(document.getElementById('senders_email').value.search(regexp)==-1)
		{
			document.getElementById('senders_email').value="";
			alert('Please Enter Valid Email');
			document.getElementById('senders_email').focus();
			return false;
		}
	}  
	if(document.getElementById('mail_subject').value=="")
	{
		alert("Please Enter Subject");
		document.getElementById('mail_subject').value=="";
		document.getElementById('mail_subject').focus();
		return false;
	}
	if(document.getElementById('mail_message').value=="")
	{
		alert("Please Enter Message");
		document.getElementById('mail_message').value=="";
		document.getElementById('mail_message').focus();
		return false;
	}
	if(document.getElementById('security_code').value=="")
	{
		alert("Please Enter Validation code");
		document.getElementById('security_code').value=="";
		document.getElementById('security_code').focus();
		return false;
	}
	if((document.getElementById('security_code').value)!=(document.getElementById('randomness').value))
	{
		alert("Validation code incorrect. Please note that it is case sensitive");
		document.getElementById('security_code').value=="";
		document.getElementById('security_code').focus();
		return false;
	}
}
function checkspace(text)
{          
          var str=text.value;
          var first=str.substring(0,1);
          var second=str.substring(0,1);
          var val='false';
          if(first==' ')
          {
                val='true';
                if(val=='true')
                {
                   if(second==' ')
                   {
                     val='true';
                     alert('Please Enter Valid Information');
                     text.value = "";
                   }
                }
          }
		 
}




function count(text,long) 
{
	var maxlength = new Number(long); // Change number to your max length.
	if (text.value.length > maxlength)
	{
		text.value = text.value.substring(0,maxlength);
		alert("Should not exceed " + long + " characters");
	}		
}