function resourcePopup(field, resourceType, targetDirectoryId, descField){
	window.open("DoUseResourcePopup?popupCallbackElement="+field+"&descriptionElement="+descField+"&resourceType="+resourceType+"&targetDirectoryId="+targetDirectoryId , 'popupWindow2' , 'width=400px,height=300px,left=300px,top=300px,scrollbars=YES');
}