checkInstalled = function(m) { 
	switch(m){ 
		case 'msn': 
			try { 
				new ActiveXObject("MSNMessenger.P4QuickLaunch"); 
				return true; 
			} 
			catch (e) { 
				return false; 
			} 
		case 'skype': 
			try{ 
				new ActiveXObject("Skype.Detection"); 
				return true; 
			}catch(e){ 
				return false; 
			} 
		case 'qq': 
			try { 
				new ActiveXObject("TimwpDll.TimwpCheck"); 
				return true; 
			} 
			catch (e) { 
				return false; 
			} 
	} 
}

function msnobj(account){
	if(checkInstalled('msn') && navigator.userAgent.indexOf("MSIE")>0){
		document.write("<a href=\"msnim:chat?contact="+ account +"\">"+ account +"</a>");
	}else{
		document.write("<a href=\"#\" onclick=\"javascript:alert('You do not have installed MSN, or you are not using "+navigator.appName+"!')\">"+ account +"</a>");
	}
}

function checkKeywords()
{
	if(document.myform.keywords.value=="")
	{
		alert("Please enter a keyword!");
		document.myform.keywords.focus();
		return false;
	}
	return true;
}

function highlight(key) {
        var key = key.split(' ');
        for (var i=0; i<key.length; i++) {
                var rng = document.body.createTextRange();
                while (rng.findText(key[i]))
                rng.pasteHTML(rng.text.fontcolor('red'));
        }
}

function getDatetime(){
	var now= new Date();
	var year=now.getYear();
	var month=now.getMonth()+1;
	var day=now.getDate();
	var hour=now.getHours();
	var minute=now.getMinutes();
	var second=now.getSeconds();
	var weekday = new Array(7);
	var hdy = hour>=12?" PM ":" AM "
	minute = minute<10?"0"+minute:minute;
	second = second<10?"0"+second:second;
 	weekday[0] = "Sunday"
  	weekday[1] = "Moneday"
  	weekday[2] = "Tuesday"
  	weekday[3] = "Wednesday"
  	weekday[4] = "Thursday"
  	weekday[5] = "Friday"
  	weekday[6] = "Saturday"
	document.getElementById("timers").innerHTML = hour + ":" + minute + ":" + second + " " + hdy + month + "/" + day + "/" + year;
}