function externalLinks() {
 if (!document.getElementsByTagName) return;
 var anchors = document.getElementsByTagName("a");
 for (var i=0; i<anchors.length; i++) {
   var anchor = anchors[i];
   
	if ((anchor.getAttribute("rel")!=null)||(anchor.getAttribute("rel"))){
	   if (anchor.getAttribute("href") && anchor.getAttribute("rel").indexOf("external") != -1)  
		 anchor.target = "_blank";
	}   
   

 }
}

function IsNumeric(sText) {
	
   var ValidChars = "0123456789.";
   var IsNumber=true;
   var Char;

 
   for (i = 0; i < sText.length && IsNumber == true; i++) 
      { 
      Char = sText.charAt(i); 
      if (ValidChars.indexOf(Char) == -1) 
         {
         IsNumber = false;
         }
      }
	  
   return IsNumber;
   
}


function selectAllOptions() {
	var selectRef = document.getElementsByTagName('select');
	for (var i=0;i<selectRef.length;i++) {
		var selectRef2 = selectRef[i];
		for (var j=0;j<selectRef2.options.length;j++) {
			selectRef2.options[j].selected = true;
		}
	}
}

function toggle(id) {
	if(document.getElementById(id).style.top == "-10000px") {
		document.getElementById(id).style.position = "relative";
		document.getElementById(id).style.top = "auto";
		
	} else {
		//document.getElementById(id).style.display = "none";
		document.getElementById(id).style.position = "absolute";
		document.getElementById(id).style.top = "-10000px";
	}
}


if (window.addEventListener) {
	window.addEventListener("load", externalLinks, false)
} else if (window.attachEvent) {
	window.attachEvent("onload", externalLinks)
} else if (document.getElementById) {
	window.onload=externalLinks;
}