function ClickShowHideMenu(objImg){
	if(objImg.src.indexOf('expand_icon')!=-1){
	 objImg.src='http://www.airnavsystems.com/images/general/collapse_icon.gif';
	 document.getElementById('divMenu').style.visibility='';
	}
	else{
	 objImg.src='http://www.airnavsystems.com/images/general/expand_icon.gif';
	 document.getElementById('divMenu').style.visibility='hidden';	 
	}
}

function ChangeSrc(imgId,imgUrl){
	objImage=document.getElementById(imgId);	
	objImage.src=imgUrl;
} 


function MouseOver(objSpan,sClassName,imgId,imgUrl){
	objSpan.style.cursor='pointer';
	objSpan.className=sClassName;
	ChangeSrc(imgId,imgUrl);
}

function MouseOut(objSpan,sClassName,imgId,imgUrl){
	objSpan.style.cursor='';
	objSpan.className=sClassName;	
	ChangeSrc(imgId,imgUrl);
}

function ClickLinck(url,target){
	if ((target!=null) && (target.toUpperCase()=='BLANCK') )	window.open(url);
	else document.location=url;
}

function jumpto(x){

if (document.form1.jumpmenu.value != "null") {
	document.location.href = x
	}
}