function chgStyle(obj,bcColor){
				 obj.style.background =bcColor;
}
function writeHeaderSchede(){
  if(parent.principale == null){
  	this.document.write("<div align='center'><img align='middle' src='../images/headerNoBorder.gif' height='91' alt='Sitox' border='0'/></div><br>"); 
  }
}
function writeHeaderSocieta(){
  if(parent.principale == null){
  	this.document.write("<div align='center'><img align='middle' src='images/headerNoBorder.gif' height='91' alt='Sitox' border='0'/></div><br>"); 
  }
}