function checkform_submit_form(form) { 
		
				offsubmitssubmit_form(form); 
		if (form.name.value == "") {
				   alert( "Please enter a value for the 'name' field" );
				   form.name.focus();
				   
				 	  swtichsubmitssubmit_form(form);
					  return false;
				  }
				  if (form.e_mail.value == "") {
				   alert( "Please enter a value for the 'e-mail' field" );
				   form.e_mail.focus();
				   
				 	  swtichsubmitssubmit_form(form);
					  return false;
				  }
				  }
		
				function swtichsubmitssubmit_form(form) {
				
					form.contact_submit.disabled=false;
					form.contact_submit.value='Send Request';
				 
				}
				function offsubmitssubmit_form(form) {
				
					form.contact_submit.disabled=true;
					form.contact_submit.value='Please wait...';
				 
				}