function PopUp(url, name, width,height,center,resize,scroll,posleft,postop)
{
		if (posleft != 0) { x = posleft }
		if (postop  != 0) { y = postop  }
	
		if (!scroll) { scroll = 1 }
		if (!resize) { resize = 1 }
	
		if ((parseInt (navigator.appVersion) >= 4 ) && (center)) {
		  X = (screen.width  - width ) / 2;
		  Y = (screen.height - height) / 2;
		}
		if (scroll != 0) { scroll = 1 }
	
		var Win = window.open( url, name, 'width='+width+',height='+height+',top='+Y+',left='+X+',resizable='+resize+',scrollbars='+scroll+',location=no,directories=no,status=no,menubar=no,toolbar=no');
}


function EcrireCookie(nom, valeur)
{

var argv=EcrireCookie.arguments;
var argc=EcrireCookie.arguments.length;
var expires=(argc > 2) ? argv[2] : null;
var path=(argc > 3) ? argv[3] : null;
var domain=(argc > 4) ? argv[4] : null;
var secure=(argc > 5) ? argv[5] : false;
document.cookie=nom+"="+escape(valeur)+
((expires==null) ? "" : ("; expires="+expires.toGMTString()))+
((path==null) ? "" : ("; path="+path))+
((domain==null) ? "" : ("; domain="+domain))+
((secure==true) ? "; secure" : "");

}


function getCookieVal(offset)
{

var endstr=document.cookie.indexOf (";", offset);
if (endstr==-1) endstr=document.cookie.length;
return unescape(document.cookie.substring(offset, endstr)); 
}
function LireCookie(nom)
{

var arg=nom+"=";
var alen=arg.length;
var clen=document.cookie.length;
var i=0;
while (i<clen)
{

var j=i+alen;
if (document.cookie.substring(i, j)==arg) return getCookieVal(j);
i=document.cookie.indexOf(" ",i)+1;
if (i==0) break;


}
return null; 
}


function getElementsByClass(searchClass, node, tag) { 
	var classElements = new Array(); 
	if ( node == null ) 
	node = document; 
	if ( tag == null ) 
	tag = '*'; 
	var els = node.getElementsByTagName(tag); 
	var elsLen = els.length; 
	var pattern = new RegExp("(^|\\s)"+searchClass+"(\\s|$)"); 
	for (i = 0, j = 0; i < elsLen; i++) { 
		if ( pattern.test(els[i].className) ) { 
			classElements[j] = els[i]; 
			j++; 
		} 
	} 
	return classElements; 
} 

function changeFontSize(action){

	var sizeType = LireCookie('sizeType');
	if (sizeType == undefined)
	{
		sizeType = 1;
	}

	if (action != undefined)
	{
		if (action == "+"){
			sizeType++;
		}else{
			sizeType--;
		}

		if (sizeType>2){
			sizeType = 2;
		}

		if (sizeType<1){
			sizeType = 1;
		}
	}

	
	if (sizeType == 2){
		sizeValue = "12px";
	}else{
		sizeValue = "11px";
	}


	EcrireCookie('sizeType', sizeType);


	cibles = getElementsByClass("text4"); 
	for (i = 0; i < cibles.length; i++) { 
        cibles[i].style.fontSize = sizeValue; 
    } 

	cibles = getElementsByClass("text5"); 
	for (i = 0; i < cibles.length; i++) { 
        cibles[i].style.fontSize = sizeValue; 
    } 
}