function contactus_validate()
{
	if(document.form2.fname.value=="" || document.form2.fname.value=="Name")
	{
		alert("Please enter your Name");
		document.form2.fname.focus();
		return false;
	}
	
	/*
		if(document.form2.r_add.value=="")
	{
		alert("Please enter your Residential Address");
		return false;
	}*/
	
	 if(document.form2.email.value=="" || document.form2.email.value=="Email")
		  {
		  alert("Please enter your email address");
		  document.form2.email.focus();
		  return false;
		  }
		  
		  
		  if(document.form2.email.value!="")
  			{
			 var filter=/^([\w-]+(?:\.[\w-]+)*)@((?:[\w-]+\.)*\w[\w-]{0,66})\.([a-z]{2,6}(?:\.[a-z]{2})?)$/i;


      			if (filter.test(document.form2.email.value))
        			{

        			}
      			else
					{
						alert("Please enter your valid Email Address");
						document.form2.email.focus();
						return false;
						
					}
  			}
	
	 	
	
	if(document.form2.C_no.value=="" || document.form2.C_no.value=="Contact No.")
	{
		alert("Please enter your Contact No.");
		document.form2.C_no.focus();
		return false;
	}
	
	contactnumber=document.form2.C_no.value;
	if(contactnumber!="")
  	{

     var i;
	 var cont = contactnumber.length - 1;
	 //alert (cont);
     for (i = 0; i < contactnumber.length; i++)
     {
         // Check that current character is number.
         var c = contactnumber.charAt(i);
         if (((c < "0") || (c > "9")))
         {
			 if(c == "-"){
			 }else{
				 
           //alert("Please enter numeric values only for telephone number");
				alert("Please enter numeric values only for contact no. Do not use alphabets or special characters.");
				document.form2.C_no.focus();
				return false;
			 }
         }
     }
	 
	 if (contactnumber.charAt(cont) == "-" || contactnumber.charAt(0) == "-"){
		 alert("Invalid phone no. Please try again.");
		 document.form2.C_no.focus();
		 return false;
	 }
	 
	}
	 
	 
	
	  	if(document.form2.enq.value=="" || document.form2.enq.value=="Estimate")
	{
		alert("Please enter Your Enquiry");
		document.form2.enq.focus();
		return false;
	}
	  
	

}