/**
 * @author Rok
 */

activateMenu = function(nav) {

/* currentStyle restricts the Javascript to IE only */
	if (document.all &&
 document.getElementById(nav).currentStyle) {  
        var navroot = document.getElementById(nav);
        
        /* Get all the list items within the menu */

        var lis=navroot.getElementsByTagName("LI");  
        for (i=0; i<lis.length; i++) {
        
           /* If the LI has another menu level */
            if(lis[i].lastChild.tagName=="UL"){
            
                /* assign the function to the LI */
             	lis[i].onmouseover=function() {	
                   /* display the inner menu */
                   this.lastChild.style.display="block";
                }
                lis[i].onmouseout=function() {   
                   this.lastChild.style.display="none";
                }
            }
        }
    }
}

activateExpand = function(nav) {

	/* currentStyle restricts the Javascript to IE only */
		if (document.all &&
	 document.getElementById(nav).currentStyle) {  
	        var navroot = document.getElementById(nav);
	        
	        /* Get all the list items within the menu */

	        var lis=navroot.getElementsByTagName("LI");  
	        for (i=0; i<lis.length; i++) {
	        
	           /* If the LI has another menu level */
	            if(lis[i].lastChild.tagName=="UL"){
	            
	            	lis[i].className += ' Expander';
	                /* assign the function to the LI */
	             	lis[i].onclick=function() {	
	                   /* display the inner menu */
	             		if (this.lastChild.style.display == "block")
	             		{
	 	                   this.lastChild.style.display="none";
	             		   this.style.listStyleImage="url(../images/plus.png)";
	             		}
	             		else
	             		{
	 	                   this.lastChild.style.display="block";
	             		   this.style.listStyleImage="url(../images/minus.png)";
	             		}
	                }
	            }
	        }
	    }
	}