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_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_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 printArticle() {
	if (window.print) {
		setTimeout('window.print();',200);
	}
	else if (agt.indexOf("mac") != -1) {
		alert("Press 'Cmd+p' on your keyboard to print article.");
	}
	else {
		alert("Press 'Ctrl+p' on your keyboard to print article.")
	}
}


     
function CharactersOnly(evt)
{
	evt=(evt) ? evt :event;
	var charCode=(evt.charCode)? evt.charCode :((evt.keyCode) ? evt.keyCode: ((evt.which) ? evt.which :0));
	
	
	if ((charCode > 64 && charCode < 91) || (charCode > 96 && charCode < 123))
	{
		
		return true;
	}
	else
	{
		if (charCode !=32)
			return false;
	}	
}


function AlphaNumericOnly(evt)
{
	evt=(evt) ? evt :event;
	var charCode=(evt.charCode)? evt.charCode :((evt.keyCode) ? evt.keyCode: ((evt.which) ? evt.which :0));
	
	
	if ((charCode > 64 && charCode < 91) || (charCode > 96 && charCode < 123))
	{
		
		return true;
	}
	
	else
	{
		if ((charCode > 46 && charCode < 58))
		{
			return true;
		}
		else
		{
			if (charCode != 32 )
				return false;
		}
	}	
}