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("href") &&
       anchor.getAttribute("rel") == "external")
     anchor.target = "_blank";
 }
}
window.onload = externalLinks;

function val_cons(taa,tab,tac,tad) {
	if (taa.value=="" || tab.value=="" || tac.value=="" || tad.value=="" ) {
	alert("Please fill all required fields.");
	return false; 
	}
document.forms['contactus'].submit();
return true;
}


;var textsize = 11;
function changetextsize(up){
	if(up){
		if(textsize < 13){
		textsize = parseFloat(textsize)+1;
		}
	}else{
		textsize =parseFloat(textsize)-1;
	}
}

function fsize(size,unit,id){
	var vfontsize = document.getElementById(id);
	if(vfontsize){
		vfontsize.style.fontSize = size + unit;
		createCookie("textsizestyle", textsize, 0);
	}
}

function createCookie(name,value,days) {
	if (days) {
		var date = new Date();
		date.setTime(date.getTime()+(days*24*60*60*1000));
		var expires = "; expires="+date.toGMTString();
	}
	else var expires = "";
	document.cookie = name+"="+value+expires+"; path=/";
}

function readCookie(name) {
	var nameEQ = name + "=";
	var ca = document.cookie.split(';');
	for(var i=0;i < ca.length;i++) {
		var c = ca[i];
		while (c.charAt(0)==' ') c = c.substring(1,c.length);
		if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
	}
	return null;
}

   function delCookie (name) {
    var expireNow = new Date();
    document.cookie = name + "=" +
    "; expires=Thu, 01-Jan-70 00:00:01 GMT" +  "; path=/";
    }