docpageid=document.pageid;
	if(docpageid.indexOf(".")!=-1) {
		docpageid=docpageid.split(".")		
	} else {
		docpageid=new Array(docpageid)
	}
	function changeme(e) {
		
		if(e.src.indexOf("-on.gif")!=-1) {
			nImg=e.src.replace("-on.gif",".gif");
		} else {
			nImg=e.src.replace(".gif","-on.gif");
		}
		if(e.id!=docpageid[0] && e.id!=docpageid[1]) {
		e.src = nImg;
		}
	}


	function checknav() {
		if(docpageid) {
			for(i=0;i<docpageid.length;i++) {
				if(document.getElementById(docpageid[i])) {
					/* If the array element has a src attribute it is an image and needs to show the -on.gif state*/
					if (document.getElementById(docpageid[i]).src){
						nImg=document.getElementById(docpageid[i]).src.replace(".gif","-on.gif");
						document.getElementById(docpageid[i]).src=nImg;
					}
					
					/* If the array element has txt in the string we need to change the background and color of the element*/
					if (document.getElementById(docpageid[i]).id.indexOf("txt")!=-1){
						document.getElementById(docpageid[i]).style.backgroundColor ="0066CC"
						document.getElementById(docpageid[i]).style.color ="FFFFFF"
					}
				}
			}
		}
	}
	
	function showMenu(){
		if(document.pageid.indexOf(".")!=-1) {
			if(document.pageid.indexOf("vertical")!=-1) {
				document.getElementById('nav2').style.display = "";
			} else {
				if(document.pageid.indexOf("casestudies")!=-1) {
					document.getElementById('nav4').style.display = "";
				}
				if(document.pageid.indexOf("trade")!=-1) {
					document.getElementById('nav5').style.display = "";
				}
				else {
					document.getElementById('nav3').style.display = "";
				}
			}
		} 	
	}