function checkEmail(mes,ob)
{
	if ((/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test(ob.value)) == false)
	{
				ob.focus();
				alert(mes);
				return false;
	}
}



function validate_news()
{
	flag=checkBlank("Please enter news title.",document.form1.news_title);
	if(flag==false) { return false; }
	flag=checkBlank("Please enter news start date.",document.form1.news_start_date);
	if(flag==false) { return false; }
	flag=checkBlank("Please enter news end date.",document.form1.news_end_date);
	if(flag==false) { return false; }
	
	
	var D1 =document.form1.elements["news_start_date"].value;
	var D2 =document.form1.elements["news_end_date"].value;
	
	
	var date1=D1.split("/");
	var dd1=date1[2]+"-"+date1[1]+"-"+date1[0];
	var date2=D2.split("/");
	var dd2=date2[2]+"-"+date2[1]+"-"+date2[0];
	var final_day= DaysDiff( ParseDate(dd1), ParseDate(dd2) );
	days=parseInt(final_day)*(-1);
	//alert(days);
	if(parseInt(days)<0)
	{
	alert("Please enter end date greater than start date.");

	return false;
	}
	
	flag=checkBlank("Please enter news description.",document.form1.news_desc);
	if(flag==false) { return false; }	
}

function validate_video(edit)
{
	
	flag=checkBlank("Please enter video name.",document.form1.video_title);
	if(flag==false) { return false; }
	
	flag=checkBlank("Please select category.",document.form1.category);
	if(flag==false) { return false; }	
	
	flag=checkBlank("Please enter video description.",document.form1.video_desc);
	if(flag==false) { return false; }		
	
	if(edit != 1)
	{
		flag=checkBlank("Please select video image.",document.form1.image_path);
		if(flag==false) { return false; }		
		
		flag=checkBlank("Please select video.",document.form1.video_path);
		if(flag==false) { return false; }		
	
	}
}


function setStatus(alertname,id_head,id,status_head,status,table){
	var params = "alertname=" + alertname + "&id_head=" + id_head + "&id=" + id + "&status_head=" + status_head + "&status=" + status + "&table=" + table;	
	var strStatus = '';
	if(status == 1)
		strStatus = 'activate';
	else if(status == 0)
		strStatus = 'disable';
		
 	if(!confirm("Are you sure to " + strStatus + " this " + alertname + "?"))
	{
		return false;
	}
	
	xmlHttp=GetXmlHttpObject();
	if (xmlHttp==null) { alert ("Your browser does not support AJAX!");  return; } 


	xmlHttp.onreadystatechange=function fun() { 
		if (xmlHttp.readyState==4){ 
			document.getElementById('status_' + id).innerHTML=xmlHttp.responseText;
		}
	};
	
	url = "../change_status.php?alertname=" + alertname + "&id_head=" + id_head + "&id=" + id + "&status_head=" + status_head + "&status=" + status + "&table=" + table ;
	xmlHttp.open("GET",url,true);
	xmlHttp.send(params);
}

function validate_user()
{
	if(document.userform.username.value == "")
	{
		alert("Please enter username.");
		document.userform.username.focus();
		return false ;
	}

	if(document.userform.pass1.value == "")
	{
		alert("Please enter password.");
		document.userform.pass1.focus();
		return false ;
	}
	
	if(document.userform.pass2.value == "")
	{
		alert("Please enter confirm password.");
		document.userform.pass2.focus();
		return false ;
	}
	
	if(document.userform.pass1.value != document.userform.pass2.value)
	{
		alert("Please confirm your password.");
		document.userform.pass2.focus();
		return false ;
	}	
	
	if(document.userform.fname.value == "")
	{
		alert("Please enter first name.");
		document.userform.fname.focus();
		return false ;
	}
		
	if(document.userform.lname.value == "")
	{
		alert("Please enter last name.");
		document.userform.lname.focus();
		return false ;
	}	
	
	if(document.userform.uemail.value == "")
	{
		alert("Please enter email address.");
		document.userform.uemail.focus();
		return false ;
	}
	else
	{	
		flag = checkEmail("Please enter a valid email address",document.userform.uemail);
		if(flag==false) { return false; }
	}	
}

function validate_forgot_password()
{
	if(document.form1.email_address.value == "")
	{
		alert("Please enter email address.");
		document.form1.email_address.focus();
		return false ;
	}
	else
	{	
		flag = checkEmail("Please enter a valid email address.",document.form1.email_address);
		if(flag==false) { return false; }
	}		
	
	return true;
}

function validateContactUs()														
{																			
	if(document.form1.name.value == '')								
	{																	
		alert("Please enter name.");								
		document.form1.name.focus();									
		return false ;														
	}																										
    if(document.form1.email_add.value == '')								
	{																	
		alert("Please enter email address.");								
		document.form1.email_add.focus();									
		return false ;														
	}																	
	else																	
	{																		
		flag = checkEmail("Please enter a valid email address.",document.form1.email_add);
		if(flag==false) { return false; }							
	}																		
	if(trim(document.form1.comment.value) == "")
	{
		alert("Please enter comment.");
		document.form1.comment.focus();
		return false ;
	}
}