function contactFormValidate() 
{ 
	var frm = document.contactform;
	  var comments = document.getElementById('query').value;
	if(frm.fname.value=="") 
	{
		alert("Please Enter Name.");
		frm.fname.focus();	
		return false;
	}
	else if(frm.telephone.value=="") 
	{
		alert("Please Enter Phone number.");
		frm.telephone.focus();	
		return false;
	}else if(isInteger(frm.telephone.value)){
		alert("Please Enter valid Phone number.");
		frm.telephone.focus();	
		return false;
		
		}

		else if(frm.email.value=="") 
	{
		alert("Please Enter Email Address.");
		frm.email.focus();	
		return false;
	}
	

	
	else if(!(frm.email.value.indexOf('@')>0 && frm.email.value.indexOf('.')>2) ) 
	{
		alert("Please Enter Valid Email Address.");
		frm.email.focus();	
		return false;
	}
	
	 else if(trim(comments) == '') {
		 alert("Please enter Your message.");
		 frm.query.focus();	
		 return false;
		 
	  }
	
}


function trim(str, chars) {
	return ltrim(rtrim(str, chars), chars);
}
 
function ltrim(str, chars) {
	chars = chars || "\\s";
	return str.replace(new RegExp("^[" + chars + "]+", "g"), "");
}
 
function rtrim(str, chars) {
	chars = chars || "\\s";
	return str.replace(new RegExp("[" + chars + "]+$", "g"), "");
}
function isInteger (s)
{
      var i;

      for (i = 0; i < s.length; i++)
      {
         var c = s.charAt(i);

         if (!isDigit(c)) return true;
      }

      return false;
}

function isDigit (c)
{
      return ((c >= "0") && (c <= "9"))
}