(bug #3728) fix mandatory select fields

this fix marc editor for "select" mandatory fields that koha don't take care atm.

koha-tmpl/intranet-tmpl/prog/en/modules/cataloguing/addbiblio.tmpl

@@ -131,7 +131,6 @@ function AreMandatoriesNotOk(){
 	    	for(var j=0,len2=eleminputs.length; j<len2; j++){
 	
 	    		if(eleminputs[j].name.match(varegexp) && eleminputs[j].value){
-					/* tag_801_subfield_c_841304_545657 */
 					inputregexp = new RegExp("^tag_" + arr[0] + "_subfield_" + eleminputs[j].value + "_" + arr[2]);
 					
 					for( var k=0; k<len2; k++){
@@ -139,6 +138,13 @@ function AreMandatoriesNotOk(){
 							isempty = false
 						}
 					}
+					
+					elemselect = elem.getElementsByTagName('select');
+					for( var k=0; k<elemselect.length; k++){
+						if(elemselect[k].id.match(inputregexp) && elemselect[k].value){
+							isempty = false
+						}
+					}
 	    		}
 	    	}
     	}else{