var div = new Array('cn1', 'cn2','cn3', 'cn4', 'cn5');

	function showDiv(which) {
		for (i = 0; i < div.length ; i++){
			if (div[i] == which){
				eval(div[i]).style.display = 'block';
			} else {
				eval(div[i]).style.display = 'none';
			}
		}
	return void(0);
	}
	
	function init() {
		showDiv('cn1');
		blurAnchors();
	}

	function winpopup(url, width, height,scrollbars,menubar)
	{
		var w = 640, h = 480;
		if (document.all || document.layers) 
		{
		    w = screen.availWidth;
	   		h = screen.availHeight;
		}
	
		var popW = width, popH = height;
		var leftPos = (w-popW)/2, topPos = (h-popH)/2;

		if (!scrollbars) scrollbars = "no"; else scrollbars = "yes";
		if (!menubar) menubar = "no"; else menubar = "yes";
		
		variables = "width=" + popW + ",height="+popH+",top="+topPos+",left=" + leftPos+",status=no,toolbar=no,menubar="+menubar+",resizable=no,scrollbars="+scrollbars+",";
		retval = open(url,"",variables);
		if (retval) { retval.focus(); }
	}
	
	function blurAnchors(){ 
		if(document.getElementsByTagName) { 
			var a = document.getElementsByTagName("a"); 
			//collect all anchors A 
			for(var i = 0; i < a.length; i++){ 
			// mouse onfocus, blur anchors 
			a[i].onfocus = function(){this.blur();}; 
			} 
		} 
	}