function chkall()
{
	for(var i=0;i<document.frm.elements.length;i++)

	{

		if(document.frm.elements[i].type=="checkbox")

		{

			if(document.frm.elements[i].checked==false)

			document.frm.elements[i].checked=true;

		}

	}

}



function unchkall()
{
	for(var i=0;i<document.frm.elements.length;i++)

	{

		if(document.frm.elements[i].type=="checkbox")

		{

			if(document.frm.elements[i].checked==true)

			document.frm.elements[i].checked=false;

		}

	}

}



function chkdelete(homelot,mes)

{
	var tcbx=0;var tckbxs=0;

	for(var i=0;i<(document.frm.elements.length);i++)

	{		

		if(document.frm.elements[i].type=="checkbox") tcbx++;

		if(document.frm.elements[i].type=="checkbox" && document.frm.elements[i].checked==false) tckbxs++;

	}



	if(tcbx==tckbxs)
	{
		alert("Please choose at least one "+ homelot +" for "+ mes);

		return false;
	}

	else

	{
		if(confirm("Are you sure you want to "+ mes +" these "+ homelot +"?")) return true;

		else 

		{
			for(var i=0;i<(document.frm.elements.length);i++)

			{

				document.frm.elements[i].checked=false;

			}

			return false;

		}

	}

}
function addArticle()//function for checking article while adding article.
{
	if(document.frmArticle.art_title.value == "")
	{
		alert("Enter the Article Title");
		document.frmArticle.art_title.focus();
		return false;
	}
	if(document.frmArticle.art_summary.value == "")
	{
		alert("Enter the Article Summary");
		document.frmArticle.art_summary.focus();
		return false;
	}
	if(document.frmArticle.art_text.value == "")
	{
		alert("Enter Article Text");
		document.frmArticle.art_text.focus();
		return false;
	}
}

function addComment()//function for validating comments while posting comments.
{
	
	if(document.frmcomment.commentText.value== "")

	{
		alert("Please enter Comment");
		document.frmcomment.commentText.focus();
		return false;
	}
	
	if(document.frmcomment.commentText.value.length > 1000)
	{
		alert ("Exceeds maximum allowed characters of 1000");	
		return false;
	}
	
}
function searchArticle()
{
	if(document.frm.summary_text.value == "")
	{
		alert("Enter the Article Summary/Text");
		document.frm.summary_text.focus();
		return false;
	}
}

function addalbum()

{

	for(var g=0;g<document.frmb.elements.length;g++)

	{

		if(document.frmb.elements[g].type=="text" || document.frmb.elements[g].type=="textarea" || document.frmb.elements[g].type=="password")

		{

			var ques=document.frmb.elements[g].value;

			var queslen=ques.length;

			var sin=0;var elname='';

			

			

			if(queslen==0)

			{

				alert("Please enter this field");

				document.frmb.elements[g].focus();

				return false;

			}



			for(var i=0;i<queslen;i++)

			{

				if(ques.charAt(i)==" ") sin++;

			}



			if(sin==queslen)

			{

				alert("Please enter this field");

				document.frmb.elements[g].focus();

				document.frmb.elements[g].select();

				return false;

			}

		}

		

	}	

}