function _submit()
{
	 var inputs = document.getElementsByTagName("input");
	 for (var i=0; i<inputs.length; i++)  {
		  if (inputs[i].className == "button-submit")  {
			   inputs[i].onmouseover = function()
			   {
				  this.src = this.src.replace(".gif", "-hover.gif");
			   }
			   inputs[i].onmouseout = function()
			   {
					this.src = this.src.replace("-hover.gif", ".gif");
			   }
		  }
	 }
}
if (window.addEventListener)
     window.addEventListener("load", _submit, false);
else if (window.attachEvent)
     window.attachEvent("onload", _submit)
     
     
     //
     
     function delDefaultValue(elem) {

	elemChange = document.getElementById(elem);

	if (elemChange.value == elemChange.defaultValue) {

		elemChange.value='';

	}

	elemChange.style.color = '#333';

}



function checkEmptyValue(elem) {

	elemChange = document.getElementById(elem);

	if (elemChange.value == '') {

		elemChange.style.color = '#bbb';

		elemChange.value = elemChange.defaultValue;

	}

}