/**********************************/
/* INITIALISATION DE LA PAGE      */
/**********************************/
window.onload = function(){

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	if (IsMediaType('screen')){
		/***************************************/
		/* Formatage graphique des balises H1  */
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			document.getElementsByTagName('H1')[i].innerHTML = '';
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		/***************************************************************/
		/* Gestion de l'init et du comportement du champs de recherche */
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		$('search_field').onfocus = function (){
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			if(this.value == initLib){
				this.value='';
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				this.value = initLib;
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}