function validate_dialagent(){
	handle=document.forms[0];
	
	if(handle.cat.value=='0'){
		alert('Please Select Category');
		handle.cat.focus();
		return false;
	}
	if(handle.model.value=='0'){
		alert('Please Select Model');
		handle.model.focus();
		return false;
	}
	if(handle.product_qty.value==''){
		alert('Please Enter Product Quantity');
		handle.product_qty.focus();
		return false;
	}
		if(handle.product_qty.value==0){
		alert('Invalid Product Qty');
		handle.product_qty.focus();
		return false;
	}
	if(handle.product_name.value=='0'){
		alert('Please Select Product');
		handle.product_name.focus();
		return false;
	}
	if(handle.name.value==''){
		alert('Please Enter the Name');
		handle.name.focus();
		return false;
	}
	if(handle.last_name.value==''){
		alert('Please Enter the SurName');
		handle.last_name.focus();
		return false;
	}
	if(handle.circle.value=='0'){
		alert('ERROR:State Not Selected');
		handle.circle.focus();
		return false;
	}	
	if(handle.city.value=='0'){
		alert('ERROR:City Not Selected');
		handle.city.focus();
		return false;
	}	

		if(handle.phone1.value==''){
		alert('Please Enter Phone');
		handle.phone1.focus();
		return false;
	}

	if(handle.mobile.value==''){
		alert('Please Enter Mobile No');
		handle.mobile.focus();
		return false;
	}	
	if(handle.address.value==''){
		alert('Please Enter Address');
		handle.address.focus();
		return false;
	}
		var emailFilter=/^.+@.+\..{2,3}$/;
		if (!(emailFilter.test(handle.email.value))) { 
		   alert ( "Please Enter Valid Email Address." );
		   handle.email.focus();
			return false ;
  		}

	/*if(handle.model.value=='0'){
		alert('Please Select Model');
		handle.model.focus();
		return false;
	}
	*/

	if(handle.agent_name.value==''){
		alert('Please Enter Agent Name');
		handle.agent_name.focus();
		return false;
	}
	{
	document.dial.submit1.disabled =true
	}
x=confirm('Submit Data?');
if(!x)
return false;
}

/////////////////////////////////////////////////////////////////////////
function disable_button(){ 
document.form1.submit1.disabled =true
}

function validate_input(){ 
	var hwnd=document.forms[0];
if(hwnd.brand.value=='0'){
	alert('Brand Not Selected');
	hwnd.brand.focus();
	return false;
}
if(hwnd.circle.value=='0'){
	alert('Please Select Circle');
	hwnd.circle.focus();
	return false;
}
if(hwnd.model.value=='0'){
	alert('Model Not Selected');
	hwnd.model.focus();
	return false;
}
if(hwnd.city.value=='0'){
	alert('Please Select City');
	hwnd.city.focus();
	return false;
}
if(hwnd.asc_jobsheetno.value==''){
	alert('Please Enter ASC Jobsheet No.');
	hwnd.asc_jobsheetno.focus();
	return false;
}
if(hwnd.visited_asc.value=='0'){
	alert('ASC Not Selected');
	hwnd.visited_asc.focus();
	return false;
}
if(hwnd.ph_mdn_no.value==''){
	alert('MDN field is Empty');
	hwnd.ph_mdn_no.focus();
	return false;
}


if(hwnd.esn_no.value==''){
	alert('ESN field is Empty');
	hwnd.esn_no.focus();
	return false;
}
if(hwnd.cust_name.value==''){
	alert('Please Enter your Name');
	hwnd.cust_name.focus();
	return false;
}
if(hwnd.email.value==''){
	alert('Please Enter Email ID');
	hwnd.email.focus();
	return false;
}
x=confirm('Submit Data?');
if(!x)
return false;
}