function manageEmailText(leaving_field){var d=document.getElementById('nemail');var dStr="Email";if(d&&d.value==dStr){d.value="";}else if(d.value==""){d.value=dStr;}}
function manageNameText(leaving_field){var d=document.getElementById('fname');var dStr="Full Name";if(d&&d.value==dStr){d.value="";}else if(d.value==""){d.value=dStr;}}

function checkReg()
 {
    var error="false";
	 if(document.getElementById('name').value=="")
	 {
	    alert('Please Enter Your Name');
		document.getElementById('name').focus();
		return false;
	 }
	 if(document.getElementById('email').value=="")
	 {
	    alert('Please Enter E-mail address');
		document.getElementById('email').focus();
		return false;
	 }
	  
	 else if(document.getElementById('email').value!="")
	 {
		re = /^(([a-z\._\-0-9])+\@([a-z\._\-0-9])+\.([a-z])+)?$/i;
		if(! re.test(document.getElementById('email').value))
		{
		  alert('Please Enter Correct E-mail address');
		  document.getElementById('email').focus();
		  return false;
		}
	 }  
	 if(document.getElementById('phone').value=="")
	 {
	   alert('Please Enter Telephone no.');
	   document.getElementById('phone').focus();
		return false;
	 }
	  	  
	 if(isNaN(document.getElementById('phone').value))
	 {
	   alert('Please Enter Correct Telephone no.');
	   document.getElementById('phone').focus();
		return false;
	 }
 }


function valform_news()
{
	//alert(document.info.sphone.value);
var msg=" Please Enter following information\n";
if(trim(document.news.fname.value)=="" || trim(document.news.fname.value)=="Full Name")
	{
	msg+=" - Please Enter Full Name\n";
	}
if(trim(document.news.nemail.value)=="" || trim(document.news.nemail.value)=="Email")
	{
	msg+=" - Enter Email address \n";
	}
else if(isEMail(document.news.nemail.value)==false)
 	{
	 msg+=" - Enter Valid Email address \n";
	}
if(msg!=" Please Enter following information\n")
{
	alert(msg);
	return false;
}
return true;
}

function valform_enq()
{
var msg=" Please Enter following information\n";
if(trim(document.enq.femail.value)=="")
	{
	msg+=" - Enter Your friend's e-mail address \n";
	}
else if(isEMail(document.enq.femail.value)==false)
 	{
	 msg+=" - Enter Valid Your friend's e-mail address \n";
	}
if(trim(document.enq.name.value)=="")
	{
	msg+=" - Enter Your Name\n";
	}
if(trim(document.enq.email.value)=="")
	{
	msg+=" - Enter Your Email address \n";
	}
else if(isEMail(document.enq.email.value)==false)
 	{
	 msg+=" - Enter Valid Your Email address \n";
	}
if(trim(document.enq.msg.value)=="")
	{
	msg+=" - Enter Your Message\n";
	}
if(msg!=" Please Enter following information\n")
{
	alert(msg);
	return false;
}
return true;
}

function trim(s) {
  while (s.substring(0,1) == ' ') {
    s = s.substring(1,s.length);
  }
  while (s.substring(s.length-1,s.length) == ' ') {
    s = s.substring(0,s.length-1);
  }
  return s;
}

function isEMail(str) {
		var at="@"
		var dot="."
		var lat=str.indexOf(at)
		var lstr=str.length
		var ldot=str.indexOf(dot)
		if (str.indexOf(at)==-1){
		     return false
		}
		if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr){
		   	   return false
		}
		if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr){
		       return false
		}
		 if (str.indexOf(at,(lat+1))!=-1){
		   	    return false
		 }
		 if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){
		       return false
		 }
		 if (str.indexOf(dot,(lat+2))==-1){
		        return false
		 }
		 if (str.indexOf(" ")!=-1){
		       return false
		 }
 		 return true					
	}