<!--
function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

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];}}
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

function na_open_window(name, url, left, top, width, height, toolbar, menubar, statusbar, scrollbar, resizable){
	toolbar_str = toolbar ? 'yes' : 'no';
	menubar_str = menubar ? 'yes' : 'no';
	statusbar_str = statusbar ? 'yes' : 'no';
	scrollbar_str = scrollbar ? 'yes' : 'no';
	resizable_str = resizable ? 'yes' : 'no';
	window.open(url, name, 'left='+left+',top='+top+',width='+width+',height='+height+',toolbar='+toolbar_str+',menubar='+menubar_str+',status='+statusbar_str+',scrollbars='+scrollbar_str+',resizable='+resizable_str);
}

function showhide_title(titleAll) {
	if(titleAll.style.display == "none") {
		titleAll.style.display = "" ;
	} else {
		titleAll.style.display = "none" ;
	}
}

function showhide_all(index) {
	if(index == "showAll") {
		for(i=1 ; i < 19 ; i++) {
			theobj = eval("document.all[\'" + "title" + i + "\']");
			if(null != theobj) {
				theobj.style.display = "" ;
			}
		}
	}
	if(index == "closeAll") {
		for(i=1 ; i< 19 ; i++) {
			theobj = eval("document.all[\'" + "title" + i + "\']");
			if(null != theobj) {
				theobj.style.display = "none" ;
			}
		}
	}	
}

function change_img(getImg,choice) {
	document.chartImg.src = getImg;

	if(choice == 1)
		document.StockForm.chart1.src='images/Blue_icon.gif';
	else
		document.StockForm.chart1.src='images/Red_icon.gif';

	if(choice == 2)
		document.StockForm.chart2.src='images/Blue_icon.gif';
	else
		document.StockForm.chart2.src='images/Red_icon.gif';

    if(choice == 3)
		document.StockForm.chart3.src='images/Blue_icon.gif';
	else
		document.StockForm.chart3.src='images/Red_icon.gif';

    if(choice == 4)
		document.StockForm.chart4.src='images/Blue_icon.gif';
	else
		document.StockForm.chart4.src='images/Red_icon.gif';
}

function story_open(){
	url="chem_story.asp"
	window.open(url, "", "toolbar=no,status=no,menubar=no,location=no,scrollbar=yes,resizeable=no,derectories=no,top=50,left=50,width=700,height=700"); 
}

function isEmail(str) {
	var supported = 0;
	if(window.RegExp){
		var tempStr = "a";
		var tempReg = new RegExp(tempStr);
		if (tempReg.test(tempStr)) supported = 1;
	}

	if (!supported){
		return (str.indexOf(".") > 2) && (str.indexOf("@") > 0);
	}

	var r1 = new RegExp("(@.*@)|(\\.\\.)|(@\\.)|(^\\.)");
	var r2 = new RegExp("^.+\\@(\\[?)[a-zA-Z0-9\\-\\.]+\\.([a-zA-Z]{2,3}|[0-9]{1,3})(\\]?)$");

	return (!r1.test(str) && r2.test(str));
}

