//Custom JavaScript Functions by Shawn Olson
//Copyright 2006-2008
//http://www.shawnolson.net
//If you copy any functions from this page into your scripts, you must provide credit to Shawn Olson & http://www.shawnolson.net
//*******************************************

function stripCharacter(words,character) {
//documentation for this script at http://www.shawnolson.net/a/499/
  var spaces = words.length;
  for(var x = 1; x<spaces; ++x){
   words = words.replace(character, "");
 }
 return words;
}

function changecss(theClass,element,value) {
//Last Updated on May 21, 2008
//documentation for this script at
//http://www.shawnolson.net/a/503/altering-css-class-attributes-with-javascript.html
 var cssRules;
 if (document.all) {
  cssRules = 'rules';
 }
 else if (document.getElementById) {
  cssRules = 'cssRules';
 }
 var added = false;
 for (var S = 0; S < document.styleSheets.length; S++){
  for (var R = 0; R < document.styleSheets[S][cssRules].length; R++) {
   if (document.styleSheets[S][cssRules][R].selectorText == theClass) {
    if(document.styleSheets[S][cssRules][R].style[element]){
    document.styleSheets[S][cssRules][R].style[element] = value;
    added=true;
	break;
    }
   }
  }

  if(!added){
  if(document.styleSheets[S].insertRule){
		  document.styleSheets[S].insertRule(theClass+' { '+element+': '+value+'; }',document.styleSheets[S][cssRules].length);
		} else if (document.styleSheets[S].addRule) {
			document.styleSheets[S].addRule(theClass,element+': '+value+';');
		}
  }
 }
}
 
function checkUncheckAll(theElement)
{             
    var myName = theElement.name;
    for( i=0; i<theElement.form.elements.length;i++)
    {
    	var e = theElement.form.elements[i];
        if( e.name == myName)
        	e.checked = theElement.checked;
    }
}

function checkUncheckSome(controller,theElements) {
	//Programmed by Shawn Olson
	//Copyright (c) 2006-2007
	//Updated on August 12, 2007
	//Permission to use this function provided that it always includes this credit text
	//  http://www.shawnolson.net
	//Find more JavaScripts at http://www.shawnolson.net/topics/Javascript/

	//theElements is an array of objects designated as a comma separated list of their IDs
	//If an element in theElements is not a checkbox, then it is assumed
	//that the function is recursive for that object and will check/uncheck
	//all checkboxes contained in that element

     var formElements = theElements.split(',');
	 var theController = document.getElementById(controller);
	 for(var z=0; z<formElements.length;z++){
	  theItem = document.getElementById(formElements[z]);
	  if(theItem.type){
	    if (theItem.type=='checkbox') {
	    	theItem.checked=theController.checked;
	    }
	  } else {
	  	  theInputs = theItem.getElementsByTagName('input');
	  for(var y=0; y<theInputs.length; y++){
	  if(theInputs[y].type == 'checkbox' && theInputs[y].id != theController.id){
	     theInputs[y].checked = theController.checked;
	    }
	  }
	  }
    }
}

function changeImgSize(objectId,newWidth,newHeight) {
  imgString = 'theImg = document.getElementById("'+objectId+'")';
  eval(imgString);
  oldWidth = theImg.width;
  oldHeight = theImg.height;
  if(newWidth>0){
   theImg.width = newWidth;
  }
  if(newHeight>0){
   theImg.height = newHeight;
  }

}

function changeColor(theObj,newColor){
  	eval('var theObject = document.getElementById("'+theObj+'")');
  	if(theObject.style.backgroundColor==null){theBG='white';}else{theBG=theObject.style.backgroundColor;}
  	if(theObject.style.color==null){theColor='black';}else{theColor=theObject.style.color;}
  	//alert(theObject.style.color+' '+theObject.style.backgroundColor);
  	switch(theColor){
   		case newColor:
	  		switch(theBG){
			case 'white':
	      		theObject.style.color = 'black';
	   	 		break;
			case 'black':
			  	theObject.style.color = 'white';
		  		break;
			default:
		  		theObject.style.color = 'black';
		  		break;
	  		}
	  		break;
    	default:
	  	theObject.style.color = newColor;
	  	break;
  	}
}