function toggleLayer(show, hide){
	objShow = document.getElementById(show);
    objHide = document.getElementById(hide);
	
	objHide.style.display = 'none';	
	objShow.style.display = 'block';
	objHide.style.height = '1px';
	objShow.style.height = 'auto';
}

function myFocus(element) {
     if (element.value == element.defaultValue) {
       element.value = '';
     }
   }
   function myBlur(element) {
     if (element.value == '') {
       element.value = element.defaultValue;
     }
   }
function change(obj, myevent){

	if ( myevent == 1 ) {
		obj.style.background = '#f5f5f5';
	}
	if ( myevent == 0 ) {
		obj.style.background = '#ffffff';
		prevVal = obj.value;
	}
}