//====================================================================================================
//	File Name		:	validate.js
//----------------------------------------------------------------------------------------------------
//	Purpose			:	Client side validation in JavaScript.
//====================================================================================================

var ie4=document.all&&navigator.userAgent.indexOf("Opera")==-1;
var ns6=document.getElementById&&navigator.userAgent.indexOf("Opera")==-1;
var ns4=document.layers;
var ffox=!(navigator.userAgent.indexOf("Firefox")==-1);

//====================================================================================================
//	Function Name	:	checkImageType
//----------------------------------------------------------------------------------------------------

function checkImageType(fld,msg)
{
	var regex = /(.jpg|.jpeg|.gif)$/;
	if(!regex.test(fld.value))
	{
		return false;
	}
	return true;
}

//====================================================================================================
//	Function Name	:	IsEmpty
//----------------------------------------------------------------------------------------------------
function IsEmpty(fld,msg)
{
	if((fld.value == "" || fld.value.length == 0) && (msg == ''))
	{
		return false;
	}
	if(fld.value == "" || fld.value.length == 0)
	{
		alert(msg);
		fld.focus();
		return false;
	}
	return true;
}
function IsSelected(fld,msg)
{
	if((fld.value == "" || fld.value == 0))
	{
		alert(msg);
		fld.focus();
		return false;
	}
	return true;
}
//====================================================================================================
//	Function Name	:	IsEmail
//----------------------------------------------------------------------------------------------------
function IsEmail(fld,msg)
{
	//var regex = /^[\w]+(\.[\w]+)*@([\w-]+\.)+[a-zA-Z]{2,7}$/ ;
	var regex = /^((([a-z]|\d|[!#\$%&'\*\+\-\/=\?\^_`{\|}~]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])+(\.([a-z]|\d|[!#\$%&'\*\+\-\/=\?\^_`{\|}~]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])+)*)|((\x22)((((\x20|\x09)*(\x0d\x0a))?(\x20|\x09)+)?(([\x01-\x08\x0b\x0c\x0e-\x1f\x7f]|\x21|[\x23-\x5b]|[\x5d-\x7e]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(\\([\x01-\x09\x0b\x0c\x0d-\x7f]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF]))))*(((\x20|\x09)*(\x0d\x0a))?(\x20|\x09)+)?(\x22)))@((([a-z]|\d|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(([a-z]|\d|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])*([a-z]|\d|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])))\.)+(([a-z]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])|(([a-z]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])([a-z]|\d|-|\.|_|~|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])*([a-z]|[\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])))\.?$/ ;
	if(!regex.test(fld.value))
	{
		alert(msg);
		fld.focus();
		return false;
	}
	return true;
}

//====================================================================================================
//	Function Name	:	IsInt
//----------------------------------------------------------------------------------------------------
function IsInt(fld,msg)
{
	var regex = /^[0-9]*$/;
	if(!regex.test(fld.value))
	{
		alert(msg);
		fld.focus();
		return false;
	}
	return true;
}


//====================================================================================================
//	Function Name	:	IsFloat
//----------------------------------------------------------------------------------------------------
function IsFloat(fld,msg)
{
	var regex = /^[0-9.]*$/;
	if(!regex.test(fld.value))
	{
		alert(msg);
		fld.focus();
		return false;
	}
	return true;
}

//====================================================================================================
//	Function Name	:	IsValidString
//----------------------------------------------------------------------------------------------------
function IsValidString(fld,msg)
{
	var regex = /^[_]*[a-zA-Z_]+[a-zA-Z0-9_]*$/;
	if(!regex.test(fld.value))
	{
		alert(msg);
		fld.focus();
		return false;
	}
	return true;
}

//====================================================================================================
//	Function Name	:	IsPassword
//----------------------------------------------------------------------------------------------------
function IsPassword(fld,msg)
{
	var regex = /^[_]*[a-zA-Z]+[0-9]+[a-zA-Z0-9]*$/;
	if(!regex.test(fld.value))
  	{
		alert(msg);
		fld.focus();
		return false;
	}
	return true;
}

//====================================================================================================
//	Function Name	:	IsLen
//----------------------------------------------------------------------------------------------------
function IsLen(fld, minlen, maxlen, msg)
{
	if(fld.value.length < minlen || fld.value.length > maxlen)
	{
		alert(msg);
		fld.focus();
		return false;
	}
	return true;
}

//====================================================================================================
//	Function Name	:	IsCurrency
//----------------------------------------------------------------------------------------------------
function IsCurrency(fld,msg)
{
    val = fld.value.replace(/\s/g, "");

	regex = /^\$?\d{1,3}(,?\d{3})*(\.\d{1,2})?$/;

    if(!regex.test(val)) {
         alert(msg);
		 fld.focus();
		 return false;
    }
	return true;
}

//====================================================================================================
//	Function Name	:	IsZip
//----------------------------------------------------------------------------------------------------
function IsZip(fld,msg)
{
	var num = /^[\d]+$/;
	if(!num.test(fld.value) || (fld.value.length !=5 && fld.value.length !=6))
	{
		alert(msg);
		fld.focus();
		return false;
	}
	return true;
}

//====================================================================================================
//	Function Name	:	IsValidFormat
//----------------------------------------------------------------------------------------------------
function IsValidFormat(fld, filelist, msg)
{
	var regex = new RegExp('(' + filelist.toLowerCase() + ')$');
	if(!regex.test(fld.value.toLowerCase()))
	{
		alert(msg);
		fld.focus();
		return false;
	}
	return true;
}

//====================================================================================================
//	Function Name	:	IsUrl
//----------------------------------------------------------------------------------------------------
function IsUrl(fld,msg)
{
//	var regex = /^(http:\/\/)/;
	var regex = /^(http:\/\/|https:\/\/)/;
	if(!regex.test(fld.value))
	{
		alert(msg);
		fld.focus();
		return false;
	}
	return true;
}

//====================================================================================================
//	Function Name	:	IsValidSize
//----------------------------------------------------------------------------------------------------
function IsValidSize(fld, msg)
{
	var regex = /^[0-9]*x[0-9]*$/;
	
	if(!regex.test(fld.value))
	{
		alert(msg);
		fld.focus();
		return false;
	}
	return true;
}

//====================================================================================================
//	Function Name	:	isNumericKey
//----------------------------------------------------------------------------------------------------
function isNumericKey(e)
{
	if (window.event)
	{
		if (window.event.keyCode < 48 || window.event.keyCode > 57)
		{
			window.event.keyCode = 0;
		} 
	}
}

//====================================================================================================
//	Function Name	:	isNumericDotKey
//----------------------------------------------------------------------------------------------------
function isNumericDotKey()
{
	if(window.event)
	{
		if ((window.event.keyCode < 48 || window.event.keyCode > 57) && window.event.keyCode != 46)
		{
			window.event.keyCode = 0;
		} 
	}
}
//====================================================================================================
//	Function Name	:	IsPhone(event)
//----------------------------------------------------------------------------------------------------
function IsPhone(fld,msg)
{
	var regex = /^[0-9\+\-\.\(\)]*$/;
	if(!regex.test(fld.value))
  	{
		alert(msg);
		fld.focus();
		return false;
	}
	
	return true;	
}
//====================================================================================================
//	Function Name	:	IsValidPhone
//----------------------------------------------------------------------------------------------------
function IsValidPhone(fld,msg)
{
	var num = /^[\d]+$/;
	if(!num.test(fld.value) || (fld.value.length <7 || fld.value.length >10))
	{
		alert(msg);
		fld.focus();
		return false;
	}
	return true;
}
//====================================================================================================
//	Function Name	:	calcHeight
//----------------------------------------------------------------------------------------------------
function calcHeight()
{
	try{

		//find the height of the internal page
		var the_height= document.getElementById('displayframe').contentWindow.document.body.scrollHeight;

		//change the height of the iframe
		if(the_height > 600)
			document.getElementById('displayframe').height =the_height+100;
		else	
			document.getElementById('displayframe').height =600;
	}
	catch(e)
	{
		document.getElementById('displayframe').height =600;
		return true;
	}
}