function validate_email(email_txt) 
{
	var emailReg = "^[\\w-_\.]*[\\w-_\.]\@([\\w].+)\.[\\w]$";
	var regex = new RegExp(emailReg);
	return regex.test(email_txt);
}

function validate_integer(int_str)
{
	regExpr = new RegExp(/^\d*$/);
	var regex = new RegExp(regExpr);
	return regex.test(int_str);
}

function validate_real_nos(real_nos_str)
{
	regExpr = new RegExp(/^\d*$/);
	var regex = new RegExp(regExpr);
	return regex.test(real_nos_str);
}

function str_trim(str)
{	
	if(str.length > 0)
		while(str.charAt(0)==' ')
			str = str.substr(1);
		
	if(str.length > 0)
		while(str.charAt((str.length - 1))==' ')
			str = str.substring(0, str.length-1);
	
	return str;
}

function str_explode(arr, delim)
{
	var ret_str = "";
	var arr_len = 0;

	arr_len = arr.length;
	delim_len = delim.length;
	
	if(arr_len > 0)
	{
		for(var i=0; i < arr_len; i++)
			ret_str += delim + arr[i];

		if(ret_str.substr(0, delim_len))
			ret_str = ret_str.substr(delim_len);
	}
	
	return ret_str;
}

function CheckNum(obj)
{
	regExpr = new RegExp(/^\d*$/);

	if(str_trim(obj.value)!="")
	{
		if(!regExpr.test(obj.value))
		{
			alert("Please Enter Valid Numbers");
			obj.value="0";		
		}
	}
	else
		obj.value="0";		
}

function CheckRealNum(obj)
{
	regExpr=new RegExp(/^-?\d*(\.\d{1,2})?$/);
	
	if(str_trim(obj.value)!="")
	{
		if(!regExpr.test(obj.value))
		{
			alert("Please Enter Valid Amount");
			obj.value="0";		
		}
	}
	else
		obj.value="0";		
}

function RestrictCharLength(obj, disp_ctrl)
{
	var maxlength=255;
	var txt = obj.value;
	var lbl = document.getElementById(disp_ctrl);
	var key = event.keyCode;

	if(txt.length == maxlength)
	{
		lbl.innerText="0";
	}
	else if(txt.length >= maxlength)
	{
		obj.value = txt.substr(0, maxlength);
		lbl.innerText="0";
	}
	else
	{
		lbl.innerText = maxlength - txt.length;
	}
}



function GoToPage(page)
{
	window.document.location.href=page;
}

function ConfirmDelete(txt, page)
{
	var msg = "You Are About To Delete this " + txt + "! Continue?";

	if(confirm(msg))
		window.document.location.href=page;
}

function SubmitToThisPage(frm_nm, ctrl_nm, page_name)
{
	var page_no = document.getElementById(ctrl_nm).value;	
	var frm = eval("document."+frm_nm);
	
	frm.action = page_name+"?page="+page_no;
	frm.submit();
}

function SubmitPage(frm_nm, page)
{
	var frm = eval("document."+frm_nm);	
	frm.action = page;
	frm.submit();
}

function DefaultFocus(ctrl_nm)
{
	if(document.getElementById(ctrl_nm))
	{
		obj = document.getElementById(ctrl_nm);
		obj.focus();
	}
}

function SetFocus(obj)
{
	obj.focus();
	obj.select();
}



function OpenPopup(file)
{
	win = window.open(file,'Popup','width=600,height=450,scrollbars=1');
	WindowPosition(600,450,win);
}

function side_menu_on(obj)
{
	obj.className = "menutxt";
	//obj.innerHTML = "&raquo; " + obj.innerHTML;
}

function side_menu_off(obj)
{
	obj.className = "menu";
	//obj.innerHTML = obj.innerHTML.substr(2);
}