
<!--
 //numbers
 function IsNumber(obj)
 {
  	if(isNaN(parseInt(obj)) || (obj != parseInt(obj)))
  		return false
  	else
  		return true
 }
 
 function IsFloat(obj)
 {
  	if(isNaN(parseFloat(obj)) || (obj != parseFloat(obj)))
  		return false
  	else
  		return true
 }
 
 function BoxHasValueGreaterZero(id)
{
	 box = document.getElementById(id);	
	 if(box)
	 {
			if(box.value == "")
				return false;
			else if(!IsNumber(box.value))
         	   return false;
			else if(box.value <= 0) //Enter a number greater than 0
				return false;
	}
	return true;
}

function BoxHasFloatValueGrZero(id)
{
	 box = document.getElementById(id);	
	 if(box)
	 {
			if(box.value == "")
				return false;
			else if(!IsFloat(box.value))
         	   return false;
			else if(box.value <= 0) //Enter a number greater than 0
				return false;
	}
	return true;
}
 
 //email
 function isValidEmail(str) 
 {
  	return (str.indexOf(".") > 2) && (str.indexOf("@") > 0);
 }

function IsValidEmailBox(id)
{
	var box = document.getElementById(id);
	if(box)
	{
		if(box.value == "") 
			return false;
		else if(!isValidEmail(box.value))
			return false;
	}
	return true;
} 
 
function IsEmptyTextBox(id)
{
	var box = document.getElementById(id);
	if(box)
	{
		if(box.value == "") 
			return true;
		else
			return false;
	}
}

function GetValue(id)
{
	var valueBox = document.getElementById(id);
	if(valueBox)
		return valueBox.value;
	return null;
}

function GetFloatValue(id)
{
	var valueBox = document.getElementById(id);
	if(valueBox)
	{
	    if(IsFloat(valueBox.value))
			return valueBox.value;
		else
			return 0;
	}
	return 0;
}

//checkbox
function IsChecked(id)
{
	var checkbox = document.getElementById(id);
	if(checkbox)	
		return checkbox.checked;
	else 
		return true;
}
//disable / enable sth
function ChangeDisableStatus(id)
{
	var elem = document.getElementById(id);
	if(elem)	
		elem.disabled  = !elem.disabled ;
}
//disable
function DisableItem(id)
{
	var elem = document.getElementById(id);
	if(elem)	
		elem.disabled  = true ;
}


//radio collection 
function GetSelRadioValue(radioName)
{
	var radioColl = document.getElementsByName(radioName);
	var selValue = "";
	if(radioColl)
	{
		for(var i=0;i<radioColl.length;i++)
		{
			if(radioColl[i].checked)
				selValue = radioColl[i].value;	
		}
	}
	return selValue;
}

//combobox selection 
function GetSelComboValue(comboid)
{
	var selCombo = document.getElementById(comboid);
	var selVal = "";
	if(selCombo != null) 
		return selCombo.options[selCombo.selectedIndex].value;
	else
		return selVal;
}


//-->