/******
 * Copyright: Bernardini & Schnyder GmbH
 * Author: eSof
 * Date: 2006
 * javascript
 */

function submitBookSearch(){
	var theSubject = document.getElementById("subject");
	var theLevel = document.getElementById("level");
	if(theSubject.value!=-1  && theLevel.value!=-1 ){
		document.getElementById("bookSearchForm").submit();
	}
}


function showHideDiv(obj, textobj, show_text, hide_text){
	
	o = document.getElementById(obj);
	t = document.getElementById(textobj);

	if(o.style.display=='block' || o.style.display==""){
		hidediv(obj)
		setcontent(textobj, show_text)
	}else{
		showdiv(obj)
		setcontent(textobj, hide_text)
	}
	
}




function showHideChaptersDiv(obj1,obj2, textobj, show_text, hide_text){
	
	o1 = document.getElementById(obj1);
	o2 = document.getElementById(obj2);
	t = document.getElementById(textobj);

	if(o1.style.display=='block' || o1.style.display==""){
		hidediv(obj1)
		showdiv(obj2)
		setcontent(textobj, hide_text)
	}else{
		showdiv(obj1)
		hidediv(obj2)
		setcontent(textobj, show_text)
	}
	
}