// clearValue function
// On click clear value, on blur if empty put back to previous value

function clearValue (obj)
{
	
	var originalValue	= obj.value;
	obj.value			= '';
	
	obj.onblur	= function ()
	{
		
		if (this.value == '')
		{
			
			this.value	= originalValue;
			
		}
		
	}
	
	obj.onfocus	= function ()
	{
		
		if (this.value == originalValue)
		{
			
			this.value	= '';
			
		}
		
	}
	
}