function openPopup(id){
			jQuery("#dialogDMAskInfo").dialog({ show: {effect:'fade', duration: 1000} });
			jQuery("#dialogDMAskInfo").dialog("open");
			jQuery("#DMAskInfo_article").val(id);	//send "article id" to popup input field
			jQuery("#DMAskInfo_senda").button();	//style for send button
		}

function sendMailInfo(){
			var dm_mail = jQuery("#DMAskInfo_senderemail").val();
			var dm_name = jQuery("#DMAskInfo_sendername").val();
			var dm_subj = jQuery("#DMAskInfo_mailsubject").val();
			var dm_arid = jQuery("#DMAskInfo_article").val();	//selected article id
			var dm_mess2 = jQuery("#DMAskInfo_mailmessage").val();
			var dm_mess = jQuery("#DMAskInfo_mailmessage").val().replace(/\n/g, '<br/>');
			
			jQuery('#DMAskInfo_senderemail').removeClass("dmError");
			jQuery('#DMAskInfo_sendername').removeClass("dmError");
			jQuery('#DMAskInfo_mailmessage').removeClass("dmError");
			
			var allok = new Boolean(true); 
			
			var atpos = dm_mail.indexOf("@");
			var dotpos = dm_mail.lastIndexOf(".");
			if (atpos<1 || dotpos<atpos+2 || dotpos+2>=dm_mail.length){
				jQuery('#DMAskInfo_senderemail').addClass("dmError");
				allok = false;
			}
			if (dm_name==null || dm_name==""){
				jQuery('#DMAskInfo_sendername').addClass("dmError");
				allok = false;
			}
			if (dm_mess2==null || dm_mess2==""){
				jQuery('#DMAskInfo_mailmessage').addClass("dmError");
				allok = false;
			}
			
			if ( allok ) {
				jQuery.post('index.php?option=com_dmaskinfopopup', { mail:dm_mail, name:dm_name, subj:dm_subj, mess:dm_mess, arid:dm_arid }, function(){
									jQuery("#dialogDMAskInfo").dialog("close");
									jQuery("#dialogDMAskInfoDone").dialog({ show: {effect:'fade', duration: 1000} });
									jQuery("#dialogDMAskInfoDone").dialog( "open" );
							});
			}else{ jQuery('#dialogDMAskInfo_error').html('Invalid content!'); }
		}