function getEventTarget(e) {
   var targ;
   if (!e) {
      e = window.event;
   }
   if (e.target) {
      targ = e.target;
   } else if (e.srcElement) {
      targ = e.srcElement;
   }
   if (targ.nodeType == 3) { // defeat Safari bug
      targ = targ.parentNode;
   }

   return targ;
}

function windowHeight()
{
   if( typeof( window.innerWidth ) == 'number' )
   {
      //Non-IE
      height = window.innerHeight;
   } 
   else if( document.documentElement && ( document.documentElement.clientWidth || document.documentElement.clientHeight ) ) 
   {
      //IE 6+ in 'standards compliant mode'
      height = document.documentElement.clientHeight;
   } 
   else if( document.body && ( document.body.clientWidth || document.body.clientHeight ) ) 
   {
      //IE 4 compatible
      height = document.body.clientHeight;
   }
   
   return height
}

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 eraseCookie(name) {
	createCookie(name,"",-1);
}