var isIE = document.all?true:false;
var isNS = document.layers?true:false;

function AllTrim(CONTROL, argMessage)
{
	if(Trim(CONTROL.value)=='')
	{
		alert('Please enter ' + argMessage);
		CONTROL.value = "";
		CONTROL.focus();
		return false;
	}
	else
	{
		return true;
	}
}

function Trim(TRIM_VALUE)
{
	if(TRIM_VALUE.length < 1)
	{
		return "";
	}
	TRIM_VALUE = RTrim(TRIM_VALUE);
	TRIM_VALUE = LTrim(TRIM_VALUE);
	if(TRIM_VALUE=="")
	{
		return "";
	}
	else
	{
		return TRIM_VALUE;
	}
}

function RTrim(VALUE)
{
	var w_space = String.fromCharCode(32);
	var v_length = VALUE.length;
	var strTemp = "";
	if(v_length < 0)
	{
		return"";
	}
	var iTemp = v_length -1;
	
	while(iTemp > -1)
	{
		if(VALUE.charAt(iTemp) == w_space)
		{
		}
		else
		{
			strTemp = VALUE.substring(0,iTemp +1);
			break;
		}
		iTemp = iTemp-1;
	} //End While
	return strTemp;
} //End Function

function LTrim(VALUE)
{
	var w_space = String.fromCharCode(32);
	if(v_length < 1)
	{
		return"";
	}
	var v_length = VALUE.length;
	var strTemp = "";
	
	var iTemp = 0;
	
	while(iTemp < v_length)
	{
		if(VALUE.charAt(iTemp) == w_space)
		{
		}
		else
		{
			strTemp = VALUE.substring(iTemp,v_length);
			break;
		}
		iTemp = iTemp + 1;
	} //End While
	return strTemp;
} //End Function

function CheckFileExtension(CONTROL, argFieldName) 
{
	var ext = CONTROL;
	ext = ext.substring(ext.length-3,ext.length);
	ext = ext.toLowerCase();
	if(ext != 'jpg' && ext != 'gif') 
	{
		alert('please select JPG or GIF format for ' + argFieldName);
		return false; 
	}
	else
	{
		return true; 
	}
}
function CheckProjectDocExtension(CONTROL, argFieldName) 
{
	var ext = CONTROL;
	ext = ext.substring(ext.length-3,ext.length);
	ext = ext.toLowerCase();
	if(ext != 'pdf' && ext != 'mpp') 
	{
		alert('please select PDF or MPP format for ' + argFieldName);
		return false; 
	}
	else
	{
		return true; 
	}
}

function CheckDocExtension(CONTROL, argFieldName) 
{
	var ext = CONTROL;
	ext = ext.substring(ext.length-3,ext.length);
	ext = ext.toLowerCase();
	if(ext != 'pdf') 
	{
		alert('please select PDF format for ' + argFieldName);
		return false; 
	}
	else
	{
		return true; 
	}
}

function CheckFileNameForSpaces(CONTROL)
{
	var invalid = " "; // Invalid character is a space

	if (CONTROL.indexOf(invalid) > -1) 
	{
		alert ('Spaces are not allowed in the file name');
		return false;
	}
	else 
	{
		return true;
	}
}
function onlyDigits(e,decReq) 
{
	var key = (isIE) ? window.event.keyCode : e.which;
	var obj = (isIE) ? event.srcElement : e.target;
	var isNum = (key > 47 && key < 58) ? true:false;
	var dotOK = (key==46 && decReq=='decOK' && (obj.value.indexOf(".")<0 || obj.value.length==0)) ? true:false;
	if(key < 32)
	{
	   return true;
	}
	return (isNum || dotOK);
}

function CheckDigits(argVal, argString)
{
	if(isNaN(parseFloat(argVal)))
	{
		alert ('Please enter only digits in ' + argString);
    	return false;
  	}
  	else
  	{
  		return true;
  	}
}
function ValidateEmail(CONTROL)
 {
	var validRegExp = "^[\\w-_\.]*[\\w-_\.]\@[\\w]\.+[\\w]+[\\w]$";
	var strEmail = CONTROL.value;
	 if(CONTROL.value != '' && strEmail.search(validRegExp) == -1)
	 {
	  alert("Your email address seems to contain a mistake.");
	  CONTROL.focus();
	  //count=count+1;
	  return false;
	 }
	 else
	 {
	 	return true;
	 }
	 //count=0;
 }
function ValidatePassword(CONTROL)
{
	if(Trim(CONTROL.value)=='')
	{
		alert('Please enter ' + argMessage);
		CONTROL.value = "";
		CONTROL.focus();
		return false;
	}
	else
	{
		if (CONTROL.value.length < 6 || CONTROL.value.length > 20)
		{
			alert("Password should be between 6 and 20 characters.");
			CONTROL.focus();
			//count=count+1;
			return false;
		}
		else
		{
			return true;
		}
	}

/*
var regexp =  /^\w{6,20}$/;
	var strPassword=CONTROL.value;
	if(strPassword != '' && strPassword.search(regexp) == -1)
	{
		alert("Password should be between 6 and 20 characters.");
		CONTROL.focus();
		//count=count+1;
		return false;
	}
	else
	{
		return true;
	}
	//count=0;
*/
}

function CheckDropDown(CONTROL, argMessage)
{
	if(CheckEmptyDD(CONTROL, argMessage))
	{
		return false;
	}
	else
	{
		CONTROL.value = Trim(CONTROL.value);
		return true;
	}
}
function CheckEmptyDD(CONTROL, argMessage)
{
	if(Trim(CONTROL.value)=='-')
	{
		alert('Please select ' + argMessage);
		CONTROL.value = "-";
		CONTROL.focus();
		return true;
	}
	else
	{
		//document.frmCategory.submit();
		return false;
	}
}
function CheckDropDownFb(CONTROL, argMessage)
{
	if(CheckEmptyDDFb(CONTROL, argMessage))
	{
		return false;
	}
	else
	{
		CONTROL.value = Trim(CONTROL.value);
		return true;
	}
}
function CheckEmptyDDFb(CONTROL, argMessage)
{
	if(Trim(CONTROL.value)=='-')
	{
		alert('Please answer the questions before proceeding.');
		CONTROL.value = "-";
		CONTROL.focus();
		return true;
	}
	else
	{
		//document.frmCategory.submit();
		return false;
	}
}



function checkedAll(CONTROL)
{
	if(CONTROL.checked==false)
	{
		alert("Please select one from Where do you mostly shop for beauty products on the high street");
		return false;
	}
	else
	{
		return true;
	}
}