//varible path for images
	var imagePath;
	if(window.location.href.indexOf("/pages/") == -1){
		imagePath = "images/common/";
	}else{
		imagePath = "../images/common/";
	}
	
	//swap nav to over state
	function swapNav(elm){
		var obj = document.getElementById(elm);
		obj.src = imagePath+elm+"_over.gif";
	}
	
	//swap nav to original state
	function swapNavBack(elm){
		var obj = document.getElementById(elm);
		obj.src = imagePath+elm+".gif";
	}

	//standard issue preload
	function MM_preloadImages() { //v3.0
	  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
		var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
		if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
	}