function showHide( elementId ){
	element = document.getElementById(elementId);
	if(element.style.display == 'block')
		element.style.display = 'none';
	else
		element.style.display = 'block';
}

function switchImg( element , img1 , img2){

	if( typeof element == 'string'){
		element = document.getElementById(element);
	}
	if( typeof element == 'object' ){
		parts = element.src.split( '/');
		imgsrc = parts[(parts.length-1)];
		if(parts[(parts.length-1)] == img1){
			parts[(parts.length-1)] = img2;
			element.src = parts.join('/');
		}else{
			parts[(parts.length-1)] = img1;		
			element.src = parts.join('/');
		}
	}
}


char = new Array
char[1] ="a";
char[2] ="b";
char[3] ="c";
char[4] ="d";
char[5] ="e";
char[6] ="f";
char[7] ="g";
char[8] ="h";
char[9] ="i";
char[10] ="j";
char[11] ="k";
char[12] ="m";
char[13] ="n";
char[14] ="o";
char[15] ="p";
char[16] ="q";
char[17] ="r";
char[18] ="s";
char[19] ="t";
char[20] ="u";
char[21] ="v";
char[22] ="w";
char[23] ="x";
char[24] ="y";
char[25] ="z";
char[26] ="0";
char[27] ="2";
char[28] ="3";
char[29] ="4";
char[30] ="5";
char[31] ="6";
char[32] ="7";
char[33] ="8";
char[34] ="9";

function createpw() {
    var pw = "";
	pwlength = 8;
    for(i=1; i<=pwlength; i++) {
	    num = Math.round( (char.length - 2) * Math.random()) + 1 ;
        pw = pw + char[num];
    }
	document.user_add.userPass.value = pw;
	document.user_add.userPass2.value = pw;
}