var orig = 12;
		
function setFont(sz) {		
	var sz;
	if (!document.all && !document.getElementById)
		return;
	//alert("orig = " + orig + " sz = " + sz);
	if ( ( orig <=128 || sz <= 0) && ( orig >=10 || sz >= 0) ) {
		orig += sz;
		if ( orig != 16 ) {
			//window.document.body.style.fontSize=orig+'px';
			//var sit = document.getElementsByTagName("P");
			
			if(document.getElementById('sujet_dossier')) {
				var sitchapo = document.getElementById("sujet_dossier");
				var pChapo = sitchapo.getElementsByTagName("P");
				sizeTag(pChapo);  
			}	
			
			if(document.getElementById('content')) {
				var sit = document.getElementById("content");
				var pCorp = sit.getElementsByTagName("P");
				sizeTag(pCorp);
			}	
					
			//===== Breve =====
			if(document.getElementById('sujet_dossiersmall')) {
				var breve = document.getElementById("sujet_dossiersmall");
				var pBreve = breve.getElementsByTagName("P");
				sizeTag(pBreve);
			}
			
			
			//===== Dossier Legendé =====
			if(document.getElementById('text_dInfo_bttm')) {
				var diaporama = document.getElementById("text_dInfo_bttm");
				var pDiaporama = diaporama.getElementsByTagName("P");
				sizeTag(pDiaporama);
			}			
		}
	}
}
		
function sizeTag( pCorp ) {
	for( var x=0; x<pCorp.length; x++ ) {
		pCorp.item(x).style.fontSize = orig + 'px';
	}
}