/*  Browser check object  */
function browserCheck(){
	//In theory we should use object detection, but this script needs work-arounds for almost every browser...
	this.ver=navigator.appVersion
	this.agent=navigator.userAgent.toLowerCase()
	this.dom=document.getElementById?1:0
	this.ns4=(!this.dom && document.layers)?1:0;
	this.op=window.opera 
	this.moz=(this.agent.indexOf("gecko")>-1 || window.sidebar)
	this.ie=this.agent.indexOf("msie")>-1 && !this.op
	if(this.op){
		this.op5=(this.agent.indexOf("opera 5")>-1 || this.agent.indexOf("opera/5")>-1)
		this.op6=(this.agent.indexOf("opera 6")>-1 || this.agent.indexOf("opera/6")>-1)
		this.op7=this.dom&&!this.op5&&!this.op6 //So all higher opera versions will use it
	}else if(this.moz) this.ns6 = 1
	else if(this.ie){
		this.ie4 = !this.dom && document.all
  	this.ie5 = (this.agent.indexOf("msie 5")>-1)
  	this.ie55 = (this.ie5 && this.agent.indexOf("msie 5.5")>-1)
  	this.ie6 = this.dom && !this.ie4 && !this.ie5 && ! this.ie55
	}
	this.mac=(this.agent.indexOf("mac")>-1)
	this.bw=(this.ie6 || this.ie5 || this.ie4 || this.ns4 || this.ns6 || this.op5 || this.op6 || this.op7)
  this.usedom= this.ns6||this.op7//Use dom creation
  this.reuse = this.ie||this.op7||this.usedom //Reuse layers
  this.px=this.dom&&!this.op5?"px":""
	return this
}