// NavigationMenuJavaScript.js

// To collapse and expand the menuitems and to change the side picture with every collapse
function  Expand_collapse_Menu_Nav(id, arrowid, imgSrc, imgDwnSrc)
 { 

    var contLink= imgSrc; 
    var contdownLink= imgDwnSrc
	var tempId=id;
 	for (i=1;i<divCounter;i++){
		var tempIdCounter="NavMenu_"+i;
		var tempArrowid="Arrow_"+i;
		
		if(document.getElementById(tempIdCounter)!=document.getElementById(tempId)){
  			document.getElementById(tempIdCounter).style.display='none';
			document.getElementById(tempArrowid).setAttribute('src',contLink);
		}else{
			if(document.getElementById(tempId).style.display=='none'){
				document.getElementById(tempId).style.display='block';	
				document.getElementById(arrowid).setAttribute('src',contdownLink);
			}else if(document.getElementById(tempId).style.display=='block'){
				document.getElementById(tempId).style.display='none';
				document.getElementById(arrowid).setAttribute('src',contLink);			
			}
		}
	}  
 }