function swapSectionClass(){
 			var i,x,tB,j=0,tA=new Array(),arg=swapSectionClass.arguments;
 			
			if(document.getElementsByTagName){
				for(i=4;i<arg.length;i++){
					tB=document.getElementsByTagName(arg[i]);
					for(x=0;x<tB.length;x++){
						tA[j]=tB[x];j++;
					}
				}
				for(i=0;i<tA.length;i++){
  					if(tA[i].className){
						if(tA[i].id==arg[1]){
							if(arg[0]==1){
  								tA[i].className=(tA[i].className==arg[3])?arg[2]:arg[3];
							}else{
								tA[i].className=arg[2];
							}
  						}else if(arg[0]==1 && arg[1]=='none'){
							if(tA[i].className==arg[2] || tA[i].className==arg[3]){
  								tA[i].className=(tA[i].className==arg[3])?arg[2]:arg[3];
							}
  						}else if(tA[i].className==arg[2]){
							tA[i].className=arg[3];
						}
					}	
				}
				
			}
			
		}