// posveceno random glodaru 23 travnja 2010 

function randomBackground(targetElement,cssBgClassesArray) {
	this.targetElement=targetElement;
	this.cssBgClassesArray=cssBgClassesArray;
	this.numOfBg=this.cssBgClassesArray.length;
	this.randomBg=Math.floor(Math.random()*this.numOfBg);
	if (this.randomBg==this.numOfBg) this.randomBg-=1;
	DHTMLApi.CSS.setClass(this.targetElement,[this.cssBgClassesArray[this.randomBg]],[]);
}