function chgimg(img_name,img_src) {
	document.images[img_name].src = img_src;
}

function checkRequired () {
	var FormName = document.Fm ;
	
	if (FormName.coy.value=='') {
		alert('Company Name must be filled!') ;
		FormName.coy.focus();
		return false;
	} else if (FormName.salute.value=='') {
		alert('Salutation must be filled!') ;
		FormName.salute.focus();
		return false;
	} else if (FormName.strName.value=='') {
		alert('Name must be filled!') ;
		FormName.strName.focus();
		return false;
	} else if (FormName.desig.value=='') {
		alert('Designation must be filled!') ;
		FormName.desig.focus();
		return false;
	} else if (FormName.tel.value=='') {
		alert('Tel must be filled!') ;
		FormName.tel.focus();
		return false;
	} else if (FormName.email.value=='') {
		alert('Email must be filled!') ;
		FormName.email.focus();
		return false;
	} else if (FormName.Feedbacks.value=='') {
		alert('Feedbacks/Comments must be filled!') ;
		FormName.Feedbacks.focus();
		return false;
	}
	
	return true;
}