// JavaScript Document
function DownloadModel(id,filename){
	if((id != null) && (id != undefined)){
		var frm	= document.getElementById(id);		
		if(frm.lang.value != ""){
			document.location = '/res/didactic-models/' + filename + '_' + frm.lang.value + '.zip';
		} else {
			return false;
		}		
	}
}