/* Bibliothèque DHTML */

var DHTML = 0, DOM = 0, MS = 0, NS = 0, OP = 0;

function DHTML_init() {

 if (window.opera) {
     OP = 1;
 }
 if(document.getElementById) {
   DHTML = 1;
   DOM = 1;
 }
 if(document.all && !OP) {
   DHTML = 1;
   MS = 1;
 }
if(document.layers && !OP) {
   DHTML = 1;
   NS = 1;
 }
}

function getElem(p1,p2,p3) {
 var Elem;
 p1 = p1.toLowerCase();
 if(DOM) {
   switch (p1) {
     case "id":			Elem = document.getElementById(p2);
						return (typeof Elem == "object") ? Elem : void(0);

     case "name":		Elem = document.getElementsByName(p2);
						return (typeof Elem == "object") ? Elem[p3] : void(0);

	 case "tagname":	Elem = document.getElementsByTagName(p2);
						return (typeof Elem == "object" ||(OP && typeof Elem == "function")) ? Elem[p3] : void(0);

	 default:			return void(0);
   }
 }
 else if(MS) {
   switch (p1) {
		case "id":		Elem = document.all[p2];
						return (typeof Elem == "object") ? Elem : void(0);
						
		case "tagname":	Elem = document.all.tags(p2);
						return (typeof Elem == "object") ? Elem[p3] : void(0);

		case "name":	Elem = document[p2];
					    return (typeof Elem == "object") ? Elem : void(0);
					    
		default:		return void(0);
	}
 }
 else if(NS) {
   switch (p1) {
		case "id":
		case "name":	Elem = document[p2];
						return (typeof Elem == "object") ? Elem : void(0);

		case "index":	Elem = document.layers[p2];
					    return (typeof Elem == "object") ? Elem : void(0);
					    
		default:		return void(0);
	}
 }
}

function getCont(p1,p2,p3) {
   var Cont;
   if(DOM && getElem(p1,p2,p3) && getElem(p1,p2,p3).firstChild) {
     if(getElem(p1,p2,p3).firstChild.nodeType == 3)
       Cont = getElem(p1,p2,p3).firstChild.nodeValue;
     else
       Cont = "";
     return(Cont);
   }
   else if(MS && getElem(p1,p2,p3)) {
     Cont = getElem(p1,p2,p3).innerText;
     return(Cont);
   }
   else return void(0);
}

function getAttr(p1,p2,p3,p4) {
   var Attr;
   if((DOM || MS) && getElem(p1,p2,p3)) {
     Attr = getElem(p1,p2,p3).getAttribute(p4);
     return(Attr);
   }
   else if (NS && getElem(p1,p2)) {
       if (typeof getElem(p1,p2)[p3] == "object")
        Attr=getElem(p1,p2)[p3][p4]
       else
        Attr=getElem(p1,p2)[p4]
         return Attr;
       }
   else return void(0);
}

function setCont(p1,p2,p3,p4) {
   if(DOM && getElem(p1,p2,p3) && getElem(p1,p2,p3).firstChild)
     getElem(p1,p2,p3).firstChild.nodeValue = p4;
   else if(MS && getElem(p1,p2,p3))
     getElem(p1,p2,p3).innerText = p4;
   else if(NS && getElem(p1,p2,p3)) {
     getElem(p1,p2,p3).document.open();
     getElem(p1,p2,p3).document.write(p4);
     getElem(p1,p2,p3).document.close();
   }
}

DHTML_init();