function Is ()
{   // convert all characters to lowercase to simplify testing
    var agt=navigator.userAgent.toLowerCase()

    // --- BROWSER VERSION ---
    this.major = parseInt(('0' + navigator.appVersion), 10)
    this.minor = parseFloat(navigator.appVersion)

    this.nav  = ((agt.indexOf('mozilla')!=-1) && ((agt.indexOf('spoofer')==-1)
                && (agt.indexOf('compatible') == -1)))
    this.nav2 = (this.nav && (this.major == 2))
    this.nav3 = (this.nav && (this.major == 3))
    this.nav4 = (this.nav && (this.major == 4))
	
	//Netscape 6
	this.nav5 =	(this.nav && (this.major == 5))
	this.nav6 = (this.nav && (this.major == 5))
	this.gecko = (this.nav && (this.major >= 5))

    this.ie   = (agt.indexOf("msie") != -1)
    this.ie3  = (this.ie && (this.major == 2))
    this.ie4  = (this.ie && (this.major == 3))
    this.ie5  = (this.ie && (this.major == 4))


    this.opera = (agt.indexOf("opera") != -1)
     
    this.nav4up = this.nav && (this.major >= 4)
    this.ie4up  = this.ie  && (this.major >= 4)
}

function Bouton(TypeBt, ClasseBt, OnClickBt, ImageBt, ClasseTxt, TexteTxt)
{
	var is = new Is()
	var win=navigator.userAgent.toLowerCase().indexOf("windows")
	
	if (is.ie4up && win != -1)
	{
		document.write('<button type="'+TypeBt+'" class="'+ClasseBt+'" onclick="'+OnClickBt+'">')
		document.write('<img src="'+ImageBt+'" border="0">')
		document.write('<p class="'+ClasseTxt+'">'+TexteTxt+'</p></button>')
	}
	else
	{
		document.write('<input type="'+TypeBt+'" onclick="'+OnClickBt+'" value="'+TexteTxt+'">')
	}
}