function mapLarge(){
		
		//get browser version
		var browser = navigator.userAgent.toLowerCase();
		var imSrc;
		
		if(browser.indexOf("safari") > -1){
			//if browser is Safari
			imSrc = document.getElementById("mapLink").childNodes[0].childNodes[0].src;
		}else{
			//if browser is anything else
			imSrc = document.getElementById("mapLink").childNodes[0].childNodes[1].src;
		}
		
		//alert(imSrc);
		
		//get the file name from the image src
		var fCut = imSrc.slice(imSrc.lastIndexOf("/")+1);
		
		//remove the file extension
		var fName = fCut.substring(0,fCut.indexOf("."));
		
		//alert(fName);
		
		//open the map popup
		window.open(fName + "_large.html","_blank","left=0, top=0, height=390, width=516, location=no, menubar=no, resizable=no, scrollbars=no, titlebar=no, toolbar=no");

	}