/*
 Fabrizio by PVII
 (c) 2004 Project Seven Development (www.projectseven.com)
 All Rights Reserved

 P7 JavaScripts and Extensions developed by Gerry Jacobsen - PVII
*/


function P7_swapClass() { //v1.4 by PVII
	 var i,x,tB,j=0,tA=new Array(),arg=P7_swapClass.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];
				  		}
				} // end if
	     }  // end for
 } //end if
} // end function