function validateEvent()
{
	var title=document.addevent.title;
	if (title.value.length==0)
	{
		alert('Event Title must not be empty');
		title.focus();
		return false;
	}
	var url=document.addevent.url;
	if ((url.value.length==0)||(url.value=="http://"))
	{
		alert('Event URL must not be empty');
		url.focus();
		return false;
	}else{
		Url2=url.value
		p=Url2.substring(0,7)
		u=Url2.substring(4,2)
		if(p!="http://")
		{
			alert("URL should start with http://")
			url.focus();
			return false;
		}
	}

	var descr=document.addevent.descr;
	if (descr.value.length==0)
	{
		alert('Event Description must not be empty');
		descr.focus();
		return false;
	}
	var category=document.addevent.category;
	if((category.value=='choose') && (document.addevent.addcategory.value==0))
	{
		alert('Choose a Sport or Enter New Sport');
		document.addevent.addcategory.focus();
		return false;
	}

	var startdate=document.addevent.startdate;
	if (startdate.value.length==0)
	{
		alert('Event Start Date must not be empty');
		startdate.focus();
		return false;
	}
	
	right_now = new Date();		// To get the current date
	var datediff= ((Date.parse(right_now) - Date.parse(document.addevent.startdate.value)) / (1000 * 	60 * 60 * 24));
	if (datediff>1)
	{
		alert("Event Start Date must not be less than today's date");
		startdate.focus();
		startdate.select();
		return false;
	}

	var enddate=document.addevent.enddate;
	if (enddate.value.length==0)
	{
		alert('Event End Date must not be empty');
		enddate.focus();
		return false;
	}

	datediffe=((Date.parse(document.addevent.enddate.value) - Date.parse(document.addevent.startdate.value)) / (1000 * 	60 * 60 * 24));
	if (datediffe<0)
	{
		alert("Event Start Date must be less than Event End Date");
		return false;
	}
}