function IsNumeric(sText)

{
   var ValidChars = "0123456789.";
   var IsNumber=true;
   var Char;

 
   for (i = 0; i < sText.length && IsNumber == true; i++) 
      { 
      Char = sText.charAt(i); 
      if (ValidChars.indexOf(Char) == -1) 
         {
         IsNumber = false;
         }
      }
   return IsNumber;
   
   }
function alltrim(str) 
{
                return str.replace(/^\s+|\s+$/g, '');
 }
function validsubmit()
{

		if(alltrim(document.frm.name.value) == "" )
	   {
		alert("Please enter your name.");
		document.frm.name.focus();
		return false;
	}
	
	if(document.frm.email.value == "" )
	{
		alert("Please enter email address.");
		document.frm.email.focus();
		return false;
	}
	else
	{
		emailExp= /^\w+(\-\w+)*(\.\w+(\-\w+)*)*@\w+(\-\w+)*(\.\w+(\-\w+)*)+$/;
	 	 if (!(emailExp.test(document.frm.email.value)))
		{ 
			   alert("Invalid email address.");
			   document.frm.email.focus();
			   return false;  
		} 
	}
	
	if(alltrim(document.frm.phone.value) == "" )
	{
		alert("Please enter your phone.");
		document.frm.phone.focus();
		return false;
	}
	
if (!IsNumeric(document.frm.phone.value))
{

alert ("Please enter your phone no. in numeric.");
document.frm.phone.focus();
return false;
}
//alert(document.frm.phone.value.length);	 
if ((document.frm.phone.value.length < 8)) {
alert ("Phone no. should be minimum 8 characters.");
document.frm.phone.focus();
return false;
}	

   /*if(alltrim(document.frm.website.value) == "" )
	{
		alert("Please Enter your Website");
		document.frm.website.focus();
		return false;
	}*/
	if(alltrim(document.frm.company.value) == "" )
	{
		alert("Please enter your company.");
		document.frm.company.focus();
		return false;
	}
	if(alltrim(document.frm.comments.value) == "" )
	{
		alert("Please enter your comments.");
		document.frm.comments.focus();
		return false;
	}

}