improvedpicker.js

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function ImprovedPicker(url) {
	var c;
  c = new GenericPicker(url);
	c.showPopup=IP_showPopup;
  
	return c;
}

/**
 * This is the only method of GenericPicker that ImprovedPicker overrides
 */ 
function IP_showPopup(){
	if (pickerWrapper != null) {
	  pickerWrapper.reference=this;
	}
	var tmp=this.baseurl+'?pickerUrl='+escape(this.pickerurl);
	this.setUrl(tmp);
		this.ancestorShowPopup();	
	if (pickerWrapper == null){ 
			this.initPopupWindow();
	}
	
	this.popupWindow.opener.passArgs = this.passArgs;
	
}