/***************************************************************
  						insidemysport.com 

  Description	:	Custom defined functions for the IMS site
						  
  web			:	http://www.insidemysport.com/
  version		:	03.07.2008
  
  copyright		:	(c) 2007 - GenY Creative Technologies
  license		:	Creative Commons (cc)
  
  author		:	Jeremy S. Ward

  **************************************************************/

// hides or makes an element visible
function toggle(elementID)
{
	var target1 = document.getElementById(elementID)
	if (target1.style.display == 'none') 
	{
		target1.style.display = 'block'
	} else {
		target1.style.display = 'none'
	}
}

// opens a new browser window
function MM_openBrWindow(theURL,winName,features) 
{ 
	//v2.0
	window.open(theURL,winName,features);
}

/**
 * Add instructional copy support for text fields and text area.
 * The method will clear the copy, and swap styles.
 *
 * @param textField the text element that will be enhanced.
 * @param copyClass class used for instructional copy
 * @param noCopyClass class used for plain text
 */

function sl_addClearCopyListeners (textField, copyClass, noCopyClass)
{
	// set default value in the object itself
	textField.originalCopy = textField.value;
	textField.copyClass = copyClass;
	textField.noCopyClass = noCopyClass;
	
	// add listiners
	textField.onfocus = function()
	{
		if (this.value == this.originalCopy)
		{
			this.value  = '';
			sl_replaceClass(this, this.copyClass, this.noCopyClass);
			return false;
		}
		return true;
	};

	textField.onblur = function()
	{
		if (this.value == '')
		{
			sl_replaceClass(this, this.noCopyClass, this.copyClass);
			this.value  = this.originalCopy;
			return false;
		}
		return true;
	};
};

/**
 * Replace a class with another, leaving other classes untouched. 
 * If the class does not exist, nothing will happen.
 *
 * @param domElement the text element that will be enhanced.
 * @param oldClass class to replace
 * @param newClass the replacement class
 */
function sl_replaceClass(domElement, oldClass, newClass)
{
	var elementClass = '' + domElement.className;
	
	// save some work, avoid flashing
	if (elementClass.indexOf(oldClass) > -1)
	{
		elementClass = elementClass.replace(oldClass , newClass);
		domElement.className = elementClass;
	}
}